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carbon-lang/toolchain/check/testdata/function/generic/redeclare.carbon
T
Dana Jansens 4261bb2dd2 Track and don't replace active .Self (#7443) 
In #7436 we stopped substituting `.Self` when collecting witnesses out
of a facet type. While this was correct, it did not capture all the
cases that need to avoid substituting `.Self`. And it poisoned the
`IdentifiedFacetType` cache by not replacing `.Self` but storing the
result in the cache. This led to incoherent behaviour, where the result
of an impl lookup would change depending on which ones had been done
previously.

Now we use a flag to track for each `.Self` if we're currently
type-checking inside the scope where it was introduced in a facet type.
While inside that scope, identify should not replace the `.Self`. Any
use of it should remain as-is since we don't yet know what value will
replace it. We call this state "frozen" since it should not be modified
by identify. This requires a substitution step when we leave the scope
that introduced the `.Self`, to remove the flag. The flag is set in the
`EntityName` of the `SymbolicBinding`, and is part of the canonical
value, since `.Self` can become part of types, which are constants, and
the flag needs to follow it for correct behaviour.

We also have to ensure the flag is the same when doing comparison with
constants from inside a facet type and constants from outside. For
instance in `(Z where .Z1 = ()) where .Z2 = .Z1`, when we arrive at the
second `.Z1` its `.Self` will be frozen, while the `.Z1 = ()` contains a
non-frozen `.Self`. So we add the frozen flag to the first when storing
it in `where_stack` in order to compare the constant values of the two
`.Z1`.

The `WhereExpr` requirement inst kinds now have an `InstConstantKind` of
`AlwaysUnique` instead of `Never`. This allows us to add them to the
usual InstBlocks, and in an `eval fn` body they have a constant value,
so eval does not fail when trying to call that function. We have to be
careful to not consider `AlwaysUnique` as being actually concrete
though, since their constant value erases `.Self`-dependence. This
allows us to stop special casing them when thawing the requirements
block in a `WhereExpr`, and we can just thaw each `InstId` in the block
in a straightforward manner.

We add the new flag to the instruction's fingerprint and name in
formatted semir.
2026-07-08 18:04:56 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/convert.carbon
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/function/generic/redeclare.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/generic/redeclare.carbon
// --- redeclare.carbon
library "[[@TEST_NAME]]";
fn F(T:! type) -> T*;
fn F(T:! type) -> T* {
return F(T);
}
// --- fail_different_return_type.carbon
library "[[@TEST_NAME]]";
fn F(T:! type, U:! type) -> T*;
// CHECK:STDERR: fail_different_return_type.carbon:[[@LINE+7]]:1: error: function redeclaration differs because return type is `U*` [FunctionRedeclReturnTypeDiffers]
// CHECK:STDERR: fn F(T:! type, U:! type) -> U* {
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_different_return_type.carbon:[[@LINE-5]]:1: note: previously declared with return type `T*` [FunctionRedeclReturnTypePrevious]
// CHECK:STDERR: fn F(T:! type, U:! type) -> T*;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
fn F(T:! type, U:! type) -> U* {
// CHECK:STDERR: fail_different_return_type.carbon:[[@LINE+7]]:10: error: 1 argument passed to function expecting 2 arguments [CallArgCountMismatch]
// CHECK:STDERR: return F(T);
// CHECK:STDERR: ^~~~
// CHECK:STDERR: fail_different_return_type.carbon:[[@LINE-13]]:1: note: calling function declared here [InCallToEntity]
// CHECK:STDERR: fn F(T:! type, U:! type) -> T*;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
return F(T);
}
// --- fail_reorder.carbon
library "[[@TEST_NAME]]";
fn F(T:! type, U:! type) -> T*;
// CHECK:STDERR: fail_reorder.carbon:[[@LINE+7]]:13: error: redeclaration differs at parameter 1 [RedeclParamDiffers]
// CHECK:STDERR: fn F(unused U:! type, T:! type) -> T* {
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: fail_reorder.carbon:[[@LINE-5]]:6: note: previous declaration's corresponding parameter here [RedeclParamPrevious]
// CHECK:STDERR: fn F(T:! type, U:! type) -> T*;
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
fn F(unused U:! type, T:! type) -> T* {
// CHECK:STDERR: fail_reorder.carbon:[[@LINE+7]]:10: error: 1 argument passed to function expecting 2 arguments [CallArgCountMismatch]
// CHECK:STDERR: return F(T);
// CHECK:STDERR: ^~~~
// CHECK:STDERR: fail_reorder.carbon:[[@LINE-13]]:1: note: calling function declared here [InCallToEntity]
// CHECK:STDERR: fn F(T:! type, U:! type) -> T*;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
return F(T);
}
// --- fail_rename.carbon
library "[[@TEST_NAME]]";
fn F(T:! type, U:! type) -> T*;
// CHECK:STDERR: fail_rename.carbon:[[@LINE+7]]:6: error: redeclaration differs at parameter 1 [RedeclParamDiffers]
// CHECK:STDERR: fn F(U:! type, T:! type) -> U* {
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: fail_rename.carbon:[[@LINE-5]]:6: note: previous declaration's corresponding parameter here [RedeclParamPrevious]
// CHECK:STDERR: fn F(T:! type, U:! type) -> T*;
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
fn F(U:! type, T:! type) -> U* {
// CHECK:STDERR: fail_rename.carbon:[[@LINE+7]]:10: error: 1 argument passed to function expecting 2 arguments [CallArgCountMismatch]
// CHECK:STDERR: return F(T);
// CHECK:STDERR: ^~~~
// CHECK:STDERR: fail_rename.carbon:[[@LINE-13]]:1: note: calling function declared here [InCallToEntity]
// CHECK:STDERR: fn F(T:! type, U:! type) -> T*;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
return F(T);
}
// CHECK:STDOUT: --- redeclare.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %.Self.frozen: %type = symbolic_binding .Self [symbolic_self]
// CHECK:STDOUT: %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT: %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic]
// CHECK:STDOUT: %T: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %ptr: type = ptr_type %T [symbolic]
// CHECK:STDOUT: %.cb6: Core.Form = init_form %ptr [symbolic]
// CHECK:STDOUT: %pattern_type.4f4: type = pattern_type %ptr [symbolic]
// CHECK:STDOUT: %return.param_patt: %pattern_type.4f4 = out_param_pattern [symbolic]
// CHECK:STDOUT: %return.patt: %pattern_type.4f4 = return_slot_pattern %return.param_patt, %ptr [symbolic]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %ptr [symbolic]
// CHECK:STDOUT: %F.specific_fn: <specific function> = specific_function %F, @F(%T) [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .F = %F.decl.loc4
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %F.decl.loc4: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %T.patt.loc6: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4 (constants.%T.patt)]
// CHECK:STDOUT: %return.param_patt.loc6: @F.%pattern_type (%pattern_type.4f4) = out_param_pattern [symbolic = %return.param_patt.loc4 (constants.%return.param_patt)]
// CHECK:STDOUT: %return.patt.loc6: @F.%pattern_type (%pattern_type.4f4) = return_slot_pattern %return.param_patt.loc6, %ptr.loc6 [symbolic = %return.patt.loc4 (constants.%return.patt)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.ref.loc4: type = name_ref T, %T.loc4_7.2 [symbolic = %T.loc4_7.1 (constants.%T)]
// CHECK:STDOUT: %ptr.loc4_20.2: type = ptr_type %T.ref.loc4 [symbolic = %ptr.loc4_20.1 (constants.%ptr)]
// CHECK:STDOUT: %.loc4_20.2: Core.Form = init_form %ptr.loc4_20.2 [symbolic = %.loc4_20.1 (constants.%.cb6)]
// CHECK:STDOUT: %.loc4_10.1: type = splice_block %.loc4_10.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc4: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %.loc4_10.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %T.loc4_7.2: type = symbolic_binding T, 0 [symbolic = %T.loc4_7.1 (constants.%T)]
// CHECK:STDOUT: %return.param.loc4: ref @F.%ptr.loc4_20.1 (%ptr) = out_param call_param0
// CHECK:STDOUT: %return.loc4: ref @F.%ptr.loc4_20.1 (%ptr) = return_slot %return.param.loc4
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.decl.loc6: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %T.patt.loc6: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4 (constants.%T.patt)]
// CHECK:STDOUT: %return.param_patt.loc6: @F.%pattern_type (%pattern_type.4f4) = out_param_pattern [symbolic = %return.param_patt.loc4 (constants.%return.param_patt)]
// CHECK:STDOUT: %return.patt.loc6: @F.%pattern_type (%pattern_type.4f4) = return_slot_pattern %return.param_patt.loc6, %ptr.loc6 [symbolic = %return.patt.loc4 (constants.%return.patt)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.ref.loc6: type = name_ref T, %T.loc6 [symbolic = %T.loc4_7.1 (constants.%T)]
// CHECK:STDOUT: %ptr.loc6: type = ptr_type %T.ref.loc6 [symbolic = %ptr.loc4_20.1 (constants.%ptr)]
// CHECK:STDOUT: %.loc6_20: Core.Form = init_form %ptr.loc6 [symbolic = %.loc4_20.1 (constants.%.cb6)]
// CHECK:STDOUT: %.loc6_10.1: type = splice_block %.loc6_10.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc6: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %.loc6_10.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %T.loc6: type = symbolic_binding T, 0 [symbolic = %T.loc4_7.1 (constants.%T)]
// CHECK:STDOUT: %return.param.loc6: ref @F.%ptr.loc4_20.1 (%ptr) = out_param call_param0
// CHECK:STDOUT: %return.loc6: ref @F.%ptr.loc4_20.1 (%ptr) = return_slot %return.param.loc6
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F(%T.loc4_7.2: type) {
// CHECK:STDOUT: %T.patt.loc4: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4 (constants.%T.patt)]
// CHECK:STDOUT: %T.loc4_7.1: type = symbolic_binding T, 0 [symbolic = %T.loc4_7.1 (constants.%T)]
// CHECK:STDOUT: %ptr.loc4_20.1: type = ptr_type %T.loc4_7.1 [symbolic = %ptr.loc4_20.1 (constants.%ptr)]
// CHECK:STDOUT: %.loc4_20.1: Core.Form = init_form %ptr.loc4_20.1 [symbolic = %.loc4_20.1 (constants.%.cb6)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr.loc4_20.1 [symbolic = %pattern_type (constants.%pattern_type.4f4)]
// CHECK:STDOUT: %return.param_patt.loc4: @F.%pattern_type (%pattern_type.4f4) = out_param_pattern [symbolic = %return.param_patt.loc4 (constants.%return.param_patt)]
// CHECK:STDOUT: %return.patt.loc4: @F.%pattern_type (%pattern_type.4f4) = return_slot_pattern %return.param_patt.loc4, %ptr.loc4_20.1 [symbolic = %return.patt.loc4 (constants.%return.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %ptr.loc4_20.1 [symbolic = %require_complete (constants.%require_complete)]
// CHECK:STDOUT: %F.specific_fn.loc7_10.2: <specific function> = specific_function constants.%F, @F(%T.loc4_7.1) [symbolic = %F.specific_fn.loc7_10.2 (constants.%F.specific_fn)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> out %return.param.loc6: @F.%ptr.loc4_20.1 (%ptr) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F.ref: %F.type = name_ref F, file.%F.decl.loc4 [concrete = constants.%F]
// CHECK:STDOUT: %T.ref.loc7: type = name_ref T, %T.loc6 [symbolic = %T.loc4_7.1 (constants.%T)]
// CHECK:STDOUT: %F.specific_fn.loc7_10.1: <specific function> = specific_function %F.ref, @F(constants.%T) [symbolic = %F.specific_fn.loc7_10.2 (constants.%F.specific_fn)]
// CHECK:STDOUT: %F.call: init @F.%ptr.loc4_20.1 (%ptr) = call %F.specific_fn.loc7_10.1()
// CHECK:STDOUT: return %F.call
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F(constants.%T) {
// CHECK:STDOUT: %T.patt.loc4 => constants.%T.patt
// CHECK:STDOUT: %T.loc4_7.1 => constants.%T
// CHECK:STDOUT: %ptr.loc4_20.1 => constants.%ptr
// CHECK:STDOUT: %.loc4_20.1 => constants.%.cb6
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.4f4
// CHECK:STDOUT: %return.param_patt.loc4 => constants.%return.param_patt
// CHECK:STDOUT: %return.patt.loc4 => constants.%return.patt
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete => constants.%require_complete
// CHECK:STDOUT: %F.specific_fn.loc7_10.2 => constants.%F.specific_fn
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_different_return_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %.Self.frozen: %type = symbolic_binding .Self [symbolic_self]
// CHECK:STDOUT: %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT: %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic]
// CHECK:STDOUT: %T: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %U.patt: %pattern_type.98f = symbolic_binding_pattern U, 1 [symbolic]
// CHECK:STDOUT: %U: type = symbolic_binding U, 1 [symbolic]
// CHECK:STDOUT: %ptr.e8f: type = ptr_type %T [symbolic]
// CHECK:STDOUT: %.cb6: Core.Form = init_form %ptr.e8f [symbolic]
// CHECK:STDOUT: %pattern_type.4f4: type = pattern_type %ptr.e8f [symbolic]
// CHECK:STDOUT: %return.param_patt.27f: %pattern_type.4f4 = out_param_pattern [symbolic]
// CHECK:STDOUT: %return.patt.d67: %pattern_type.4f4 = return_slot_pattern %return.param_patt.27f, %ptr.e8f [symbolic]
// CHECK:STDOUT: %F.type.eb3ec9.1: type = fn_type @F.loc4 [concrete]
// CHECK:STDOUT: %F.7088cc.1: %F.type.eb3ec9.1 = struct_value () [concrete]
// CHECK:STDOUT: %ptr.18e: type = ptr_type %U [symbolic]
// CHECK:STDOUT: %.6d8: Core.Form = init_form %ptr.18e [symbolic]
// CHECK:STDOUT: %pattern_type.423: type = pattern_type %ptr.18e [symbolic]
// CHECK:STDOUT: %return.param_patt.534: %pattern_type.423 = out_param_pattern [symbolic]
// CHECK:STDOUT: %return.patt.669: %pattern_type.423 = return_slot_pattern %return.param_patt.534, %ptr.18e [symbolic]
// CHECK:STDOUT: %F.type.eb3ec9.2: type = fn_type @F.loc13 [concrete]
// CHECK:STDOUT: %F.7088cc.2: %F.type.eb3ec9.2 = struct_value () [concrete]
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %ptr.18e [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .F = %F.decl.loc4
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %F.decl.loc4: %F.type.eb3ec9.1 = fn_decl @F.loc4 [concrete = constants.%F.7088cc.1] {
// CHECK:STDOUT: %T.patt.loc4_7.1: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_7.2 (constants.%T.patt)]
// CHECK:STDOUT: %U.patt.loc4_17.1: %pattern_type.98f = symbolic_binding_pattern U, 1 [symbolic = %U.patt.loc4_17.2 (constants.%U.patt)]
// CHECK:STDOUT: %return.param_patt.loc4_30.1: @F.loc4.%pattern_type (%pattern_type.4f4) = out_param_pattern [symbolic = %return.param_patt.loc4_30.2 (constants.%return.param_patt.27f)]
// CHECK:STDOUT: %return.patt.loc4_26.1: @F.loc4.%pattern_type (%pattern_type.4f4) = return_slot_pattern %return.param_patt.loc4_30.1, %ptr.loc4_30.2 [symbolic = %return.patt.loc4_26.2 (constants.%return.patt.d67)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc4_7.2 [symbolic = %T.loc4_7.1 (constants.%T)]
// CHECK:STDOUT: %ptr.loc4_30.2: type = ptr_type %T.ref [symbolic = %ptr.loc4_30.1 (constants.%ptr.e8f)]
// CHECK:STDOUT: %.loc4_30.2: Core.Form = init_form %ptr.loc4_30.2 [symbolic = %.loc4_30.1 (constants.%.cb6)]
// CHECK:STDOUT: %.loc4_10.1: type = splice_block %.loc4_10.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc4_7: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %.loc4_10.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %T.loc4_7.2: type = symbolic_binding T, 0 [symbolic = %T.loc4_7.1 (constants.%T)]
// CHECK:STDOUT: %.loc4_20.1: type = splice_block %.loc4_20.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc4_17: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %.loc4_20.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.loc4_17.2: type = symbolic_binding U, 1 [symbolic = %U.loc4_17.1 (constants.%U)]
// CHECK:STDOUT: %return.param: ref @F.loc4.%ptr.loc4_30.1 (%ptr.e8f) = out_param call_param0
// CHECK:STDOUT: %return: ref @F.loc4.%ptr.loc4_30.1 (%ptr.e8f) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.decl.loc13: %F.type.eb3ec9.2 = fn_decl @F.loc13 [concrete = constants.%F.7088cc.2] {
// CHECK:STDOUT: %T.patt.loc13_7.1: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc13_7.2 (constants.%T.patt)]
// CHECK:STDOUT: %U.patt.loc13_17.1: %pattern_type.98f = symbolic_binding_pattern U, 1 [symbolic = %U.patt.loc13_17.2 (constants.%U.patt)]
// CHECK:STDOUT: %return.param_patt.loc13_30.1: @F.loc13.%pattern_type (%pattern_type.423) = out_param_pattern [symbolic = %return.param_patt.loc13_30.2 (constants.%return.param_patt.534)]
// CHECK:STDOUT: %return.patt.loc13_26.1: @F.loc13.%pattern_type (%pattern_type.423) = return_slot_pattern %return.param_patt.loc13_30.1, %ptr.loc13_30.2 [symbolic = %return.patt.loc13_26.2 (constants.%return.patt.669)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %U.ref: type = name_ref U, %U.loc13_17.2 [symbolic = %U.loc13_17.1 (constants.%U)]
// CHECK:STDOUT: %ptr.loc13_30.2: type = ptr_type %U.ref [symbolic = %ptr.loc13_30.1 (constants.%ptr.18e)]
// CHECK:STDOUT: %.loc13_30.2: Core.Form = init_form %ptr.loc13_30.2 [symbolic = %.loc13_30.1 (constants.%.6d8)]
// CHECK:STDOUT: %.loc13_10.1: type = splice_block %.loc13_10.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc13_7: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %.loc13_10.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %T.loc13_7.2: type = symbolic_binding T, 0 [symbolic = %T.loc13_7.1 (constants.%T)]
// CHECK:STDOUT: %.loc13_20.1: type = splice_block %.loc13_20.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc13_17: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %.loc13_20.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.loc13_17.2: type = symbolic_binding U, 1 [symbolic = %U.loc13_17.1 (constants.%U)]
// CHECK:STDOUT: %return.param: ref @F.loc13.%ptr.loc13_30.1 (%ptr.18e) = out_param call_param0
// CHECK:STDOUT: %return: ref @F.loc13.%ptr.loc13_30.1 (%ptr.18e) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.loc4(%T.loc4_7.2: type, %U.loc4_17.2: type) {
// CHECK:STDOUT: %T.patt.loc4_7.2: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_7.2 (constants.%T.patt)]
// CHECK:STDOUT: %T.loc4_7.1: type = symbolic_binding T, 0 [symbolic = %T.loc4_7.1 (constants.%T)]
// CHECK:STDOUT: %U.patt.loc4_17.2: %pattern_type.98f = symbolic_binding_pattern U, 1 [symbolic = %U.patt.loc4_17.2 (constants.%U.patt)]
// CHECK:STDOUT: %U.loc4_17.1: type = symbolic_binding U, 1 [symbolic = %U.loc4_17.1 (constants.%U)]
// CHECK:STDOUT: %ptr.loc4_30.1: type = ptr_type %T.loc4_7.1 [symbolic = %ptr.loc4_30.1 (constants.%ptr.e8f)]
// CHECK:STDOUT: %.loc4_30.1: Core.Form = init_form %ptr.loc4_30.1 [symbolic = %.loc4_30.1 (constants.%.cb6)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr.loc4_30.1 [symbolic = %pattern_type (constants.%pattern_type.4f4)]
// CHECK:STDOUT: %return.param_patt.loc4_30.2: @F.loc4.%pattern_type (%pattern_type.4f4) = out_param_pattern [symbolic = %return.param_patt.loc4_30.2 (constants.%return.param_patt.27f)]
// CHECK:STDOUT: %return.patt.loc4_26.2: @F.loc4.%pattern_type (%pattern_type.4f4) = return_slot_pattern %return.param_patt.loc4_30.2, %ptr.loc4_30.1 [symbolic = %return.patt.loc4_26.2 (constants.%return.patt.d67)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> out %return.param: @F.loc4.%ptr.loc4_30.1 (%ptr.e8f);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.loc13(%T.loc13_7.2: type, %U.loc13_17.2: type) {
// CHECK:STDOUT: %T.patt.loc13_7.2: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc13_7.2 (constants.%T.patt)]
// CHECK:STDOUT: %T.loc13_7.1: type = symbolic_binding T, 0 [symbolic = %T.loc13_7.1 (constants.%T)]
// CHECK:STDOUT: %U.patt.loc13_17.2: %pattern_type.98f = symbolic_binding_pattern U, 1 [symbolic = %U.patt.loc13_17.2 (constants.%U.patt)]
// CHECK:STDOUT: %U.loc13_17.1: type = symbolic_binding U, 1 [symbolic = %U.loc13_17.1 (constants.%U)]
// CHECK:STDOUT: %ptr.loc13_30.1: type = ptr_type %U.loc13_17.1 [symbolic = %ptr.loc13_30.1 (constants.%ptr.18e)]
// CHECK:STDOUT: %.loc13_30.1: Core.Form = init_form %ptr.loc13_30.1 [symbolic = %.loc13_30.1 (constants.%.6d8)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr.loc13_30.1 [symbolic = %pattern_type (constants.%pattern_type.423)]
// CHECK:STDOUT: %return.param_patt.loc13_30.2: @F.loc13.%pattern_type (%pattern_type.423) = out_param_pattern [symbolic = %return.param_patt.loc13_30.2 (constants.%return.param_patt.534)]
// CHECK:STDOUT: %return.patt.loc13_26.2: @F.loc13.%pattern_type (%pattern_type.423) = return_slot_pattern %return.param_patt.loc13_30.2, %ptr.loc13_30.1 [symbolic = %return.patt.loc13_26.2 (constants.%return.patt.669)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %ptr.loc13_30.1 [symbolic = %require_complete (constants.%require_complete)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> out %return.param: @F.loc13.%ptr.loc13_30.1 (%ptr.18e) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F.ref: %F.type.eb3ec9.1 = name_ref F, file.%F.decl.loc4 [concrete = constants.%F.7088cc.1]
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc13_7.2 [symbolic = %T.loc13_7.1 (constants.%T)]
// CHECK:STDOUT: return <error>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.loc4(constants.%T, constants.%U) {
// CHECK:STDOUT: %T.patt.loc4_7.2 => constants.%T.patt
// CHECK:STDOUT: %T.loc4_7.1 => constants.%T
// CHECK:STDOUT: %U.patt.loc4_17.2 => constants.%U.patt
// CHECK:STDOUT: %U.loc4_17.1 => constants.%U
// CHECK:STDOUT: %ptr.loc4_30.1 => constants.%ptr.e8f
// CHECK:STDOUT: %.loc4_30.1 => constants.%.cb6
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.4f4
// CHECK:STDOUT: %return.param_patt.loc4_30.2 => constants.%return.param_patt.27f
// CHECK:STDOUT: %return.patt.loc4_26.2 => constants.%return.patt.d67
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.loc13(constants.%T, constants.%U) {
// CHECK:STDOUT: %T.patt.loc13_7.2 => constants.%T.patt
// CHECK:STDOUT: %T.loc13_7.1 => constants.%T
// CHECK:STDOUT: %U.patt.loc13_17.2 => constants.%U.patt
// CHECK:STDOUT: %U.loc13_17.1 => constants.%U
// CHECK:STDOUT: %ptr.loc13_30.1 => constants.%ptr.18e
// CHECK:STDOUT: %.loc13_30.1 => constants.%.6d8
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.423
// CHECK:STDOUT: %return.param_patt.loc13_30.2 => constants.%return.param_patt.534
// CHECK:STDOUT: %return.patt.loc13_26.2 => constants.%return.patt.669
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_reorder.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %.Self.frozen: %type = symbolic_binding .Self [symbolic_self]
// CHECK:STDOUT: %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT: %T.patt.d47: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic]
// CHECK:STDOUT: %T.67d: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %U.patt.014: %pattern_type.98f = symbolic_binding_pattern U, 1 [symbolic]
// CHECK:STDOUT: %U.091: type = symbolic_binding U, 1 [symbolic]
// CHECK:STDOUT: %ptr.e8f: type = ptr_type %T.67d [symbolic]
// CHECK:STDOUT: %.cb6: Core.Form = init_form %ptr.e8f [symbolic]
// CHECK:STDOUT: %pattern_type.4f4: type = pattern_type %ptr.e8f [symbolic]
// CHECK:STDOUT: %return.param_patt.27f: %pattern_type.4f4 = out_param_pattern [symbolic]
// CHECK:STDOUT: %return.patt.d67: %pattern_type.4f4 = return_slot_pattern %return.param_patt.27f, %ptr.e8f [symbolic]
// CHECK:STDOUT: %F.type.eb3ec9.1: type = fn_type @F.loc4 [concrete]
// CHECK:STDOUT: %F.7088cc.1: %F.type.eb3ec9.1 = struct_value () [concrete]
// CHECK:STDOUT: %U.patt.d47: %pattern_type.98f = symbolic_binding_pattern U, 0 [symbolic]
// CHECK:STDOUT: %U.67d: type = symbolic_binding U, 0 [symbolic]
// CHECK:STDOUT: %T.patt.014: %pattern_type.98f = symbolic_binding_pattern T, 1 [symbolic]
// CHECK:STDOUT: %T.091: type = symbolic_binding T, 1 [symbolic]
// CHECK:STDOUT: %ptr.18e: type = ptr_type %T.091 [symbolic]
// CHECK:STDOUT: %.6d8: Core.Form = init_form %ptr.18e [symbolic]
// CHECK:STDOUT: %pattern_type.423: type = pattern_type %ptr.18e [symbolic]
// CHECK:STDOUT: %return.param_patt.534: %pattern_type.423 = out_param_pattern [symbolic]
// CHECK:STDOUT: %return.patt.669: %pattern_type.423 = return_slot_pattern %return.param_patt.534, %ptr.18e [symbolic]
// CHECK:STDOUT: %F.type.eb3ec9.2: type = fn_type @F.loc13 [concrete]
// CHECK:STDOUT: %F.7088cc.2: %F.type.eb3ec9.2 = struct_value () [concrete]
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %ptr.18e [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .F = %F.decl.loc4
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %F.decl.loc4: %F.type.eb3ec9.1 = fn_decl @F.loc4 [concrete = constants.%F.7088cc.1] {
// CHECK:STDOUT: %T.patt.loc4_7.1: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_7.2 (constants.%T.patt.d47)]
// CHECK:STDOUT: %U.patt.loc4_17.1: %pattern_type.98f = symbolic_binding_pattern U, 1 [symbolic = %U.patt.loc4_17.2 (constants.%U.patt.014)]
// CHECK:STDOUT: %return.param_patt.loc4_30.1: @F.loc4.%pattern_type (%pattern_type.4f4) = out_param_pattern [symbolic = %return.param_patt.loc4_30.2 (constants.%return.param_patt.27f)]
// CHECK:STDOUT: %return.patt.loc4_26.1: @F.loc4.%pattern_type (%pattern_type.4f4) = return_slot_pattern %return.param_patt.loc4_30.1, %ptr.loc4_30.2 [symbolic = %return.patt.loc4_26.2 (constants.%return.patt.d67)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc4_7.2 [symbolic = %T.loc4_7.1 (constants.%T.67d)]
// CHECK:STDOUT: %ptr.loc4_30.2: type = ptr_type %T.ref [symbolic = %ptr.loc4_30.1 (constants.%ptr.e8f)]
// CHECK:STDOUT: %.loc4_30.2: Core.Form = init_form %ptr.loc4_30.2 [symbolic = %.loc4_30.1 (constants.%.cb6)]
// CHECK:STDOUT: %.loc4_10.1: type = splice_block %.loc4_10.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc4_7: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %.loc4_10.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %T.loc4_7.2: type = symbolic_binding T, 0 [symbolic = %T.loc4_7.1 (constants.%T.67d)]
// CHECK:STDOUT: %.loc4_20.1: type = splice_block %.loc4_20.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc4_17: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %.loc4_20.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.loc4_17.2: type = symbolic_binding U, 1 [symbolic = %U.loc4_17.1 (constants.%U.091)]
// CHECK:STDOUT: %return.param: ref @F.loc4.%ptr.loc4_30.1 (%ptr.e8f) = out_param call_param0
// CHECK:STDOUT: %return: ref @F.loc4.%ptr.loc4_30.1 (%ptr.e8f) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.decl.loc13: %F.type.eb3ec9.2 = fn_decl @F.loc13 [concrete = constants.%F.7088cc.2] {
// CHECK:STDOUT: %U.patt.loc13_14.1: %pattern_type.98f = symbolic_binding_pattern U, 0 [symbolic = %U.patt.loc13_14.2 (constants.%U.patt.d47)]
// CHECK:STDOUT: %T.patt.loc13_24.1: %pattern_type.98f = symbolic_binding_pattern T, 1 [symbolic = %T.patt.loc13_24.2 (constants.%T.patt.014)]
// CHECK:STDOUT: %return.param_patt.loc13_37.1: @F.loc13.%pattern_type (%pattern_type.423) = out_param_pattern [symbolic = %return.param_patt.loc13_37.2 (constants.%return.param_patt.534)]
// CHECK:STDOUT: %return.patt.loc13_33.1: @F.loc13.%pattern_type (%pattern_type.423) = return_slot_pattern %return.param_patt.loc13_37.1, %ptr.loc13_37.2 [symbolic = %return.patt.loc13_33.2 (constants.%return.patt.669)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.ref.loc13: type = name_ref T, %T.loc13_24.2 [symbolic = %T.loc13_24.1 (constants.%T.091)]
// CHECK:STDOUT: %ptr.loc13_37.2: type = ptr_type %T.ref.loc13 [symbolic = %ptr.loc13_37.1 (constants.%ptr.18e)]
// CHECK:STDOUT: %.loc13_37.2: Core.Form = init_form %ptr.loc13_37.2 [symbolic = %.loc13_37.1 (constants.%.6d8)]
// CHECK:STDOUT: %.loc13_17.1: type = splice_block %.loc13_17.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc13_14: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %.loc13_17.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.loc13_14.2: type = symbolic_binding U, 0 [symbolic = %U.loc13_14.1 (constants.%U.67d)]
// CHECK:STDOUT: %.loc13_27.1: type = splice_block %.loc13_27.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc13_24: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %.loc13_27.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %T.loc13_24.2: type = symbolic_binding T, 1 [symbolic = %T.loc13_24.1 (constants.%T.091)]
// CHECK:STDOUT: %return.param: ref @F.loc13.%ptr.loc13_37.1 (%ptr.18e) = out_param call_param0
// CHECK:STDOUT: %return: ref @F.loc13.%ptr.loc13_37.1 (%ptr.18e) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.loc4(%T.loc4_7.2: type, %U.loc4_17.2: type) {
// CHECK:STDOUT: %T.patt.loc4_7.2: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_7.2 (constants.%T.patt.d47)]
// CHECK:STDOUT: %T.loc4_7.1: type = symbolic_binding T, 0 [symbolic = %T.loc4_7.1 (constants.%T.67d)]
// CHECK:STDOUT: %U.patt.loc4_17.2: %pattern_type.98f = symbolic_binding_pattern U, 1 [symbolic = %U.patt.loc4_17.2 (constants.%U.patt.014)]
// CHECK:STDOUT: %U.loc4_17.1: type = symbolic_binding U, 1 [symbolic = %U.loc4_17.1 (constants.%U.091)]
// CHECK:STDOUT: %ptr.loc4_30.1: type = ptr_type %T.loc4_7.1 [symbolic = %ptr.loc4_30.1 (constants.%ptr.e8f)]
// CHECK:STDOUT: %.loc4_30.1: Core.Form = init_form %ptr.loc4_30.1 [symbolic = %.loc4_30.1 (constants.%.cb6)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr.loc4_30.1 [symbolic = %pattern_type (constants.%pattern_type.4f4)]
// CHECK:STDOUT: %return.param_patt.loc4_30.2: @F.loc4.%pattern_type (%pattern_type.4f4) = out_param_pattern [symbolic = %return.param_patt.loc4_30.2 (constants.%return.param_patt.27f)]
// CHECK:STDOUT: %return.patt.loc4_26.2: @F.loc4.%pattern_type (%pattern_type.4f4) = return_slot_pattern %return.param_patt.loc4_30.2, %ptr.loc4_30.1 [symbolic = %return.patt.loc4_26.2 (constants.%return.patt.d67)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> out %return.param: @F.loc4.%ptr.loc4_30.1 (%ptr.e8f);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.loc13(%U.loc13_14.2: type, %T.loc13_24.2: type) {
// CHECK:STDOUT: %U.patt.loc13_14.2: %pattern_type.98f = symbolic_binding_pattern U, 0 [symbolic = %U.patt.loc13_14.2 (constants.%U.patt.d47)]
// CHECK:STDOUT: %U.loc13_14.1: type = symbolic_binding U, 0 [symbolic = %U.loc13_14.1 (constants.%U.67d)]
// CHECK:STDOUT: %T.patt.loc13_24.2: %pattern_type.98f = symbolic_binding_pattern T, 1 [symbolic = %T.patt.loc13_24.2 (constants.%T.patt.014)]
// CHECK:STDOUT: %T.loc13_24.1: type = symbolic_binding T, 1 [symbolic = %T.loc13_24.1 (constants.%T.091)]
// CHECK:STDOUT: %ptr.loc13_37.1: type = ptr_type %T.loc13_24.1 [symbolic = %ptr.loc13_37.1 (constants.%ptr.18e)]
// CHECK:STDOUT: %.loc13_37.1: Core.Form = init_form %ptr.loc13_37.1 [symbolic = %.loc13_37.1 (constants.%.6d8)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr.loc13_37.1 [symbolic = %pattern_type (constants.%pattern_type.423)]
// CHECK:STDOUT: %return.param_patt.loc13_37.2: @F.loc13.%pattern_type (%pattern_type.423) = out_param_pattern [symbolic = %return.param_patt.loc13_37.2 (constants.%return.param_patt.534)]
// CHECK:STDOUT: %return.patt.loc13_33.2: @F.loc13.%pattern_type (%pattern_type.423) = return_slot_pattern %return.param_patt.loc13_37.2, %ptr.loc13_37.1 [symbolic = %return.patt.loc13_33.2 (constants.%return.patt.669)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %ptr.loc13_37.1 [symbolic = %require_complete (constants.%require_complete)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> out %return.param: @F.loc13.%ptr.loc13_37.1 (%ptr.18e) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F.ref: %F.type.eb3ec9.1 = name_ref F, file.%F.decl.loc4 [concrete = constants.%F.7088cc.1]
// CHECK:STDOUT: %T.ref.loc21: type = name_ref T, %T.loc13_24.2 [symbolic = %T.loc13_24.1 (constants.%T.091)]
// CHECK:STDOUT: return <error>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.loc4(constants.%T.67d, constants.%U.091) {
// CHECK:STDOUT: %T.patt.loc4_7.2 => constants.%T.patt.d47
// CHECK:STDOUT: %T.loc4_7.1 => constants.%T.67d
// CHECK:STDOUT: %U.patt.loc4_17.2 => constants.%U.patt.014
// CHECK:STDOUT: %U.loc4_17.1 => constants.%U.091
// CHECK:STDOUT: %ptr.loc4_30.1 => constants.%ptr.e8f
// CHECK:STDOUT: %.loc4_30.1 => constants.%.cb6
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.4f4
// CHECK:STDOUT: %return.param_patt.loc4_30.2 => constants.%return.param_patt.27f
// CHECK:STDOUT: %return.patt.loc4_26.2 => constants.%return.patt.d67
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.loc13(constants.%U.67d, constants.%T.091) {
// CHECK:STDOUT: %U.patt.loc13_14.2 => constants.%U.patt.d47
// CHECK:STDOUT: %U.loc13_14.1 => constants.%U.67d
// CHECK:STDOUT: %T.patt.loc13_24.2 => constants.%T.patt.014
// CHECK:STDOUT: %T.loc13_24.1 => constants.%T.091
// CHECK:STDOUT: %ptr.loc13_37.1 => constants.%ptr.18e
// CHECK:STDOUT: %.loc13_37.1 => constants.%.6d8
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.423
// CHECK:STDOUT: %return.param_patt.loc13_37.2 => constants.%return.param_patt.534
// CHECK:STDOUT: %return.patt.loc13_33.2 => constants.%return.patt.669
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_rename.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %.Self.frozen: %type = symbolic_binding .Self [symbolic_self]
// CHECK:STDOUT: %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT: %T.patt.d47: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic]
// CHECK:STDOUT: %T.67d: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %U.patt.014: %pattern_type.98f = symbolic_binding_pattern U, 1 [symbolic]
// CHECK:STDOUT: %U.091: type = symbolic_binding U, 1 [symbolic]
// CHECK:STDOUT: %ptr.e8f8f9.1: type = ptr_type %T.67d [symbolic]
// CHECK:STDOUT: %.cb6cb9.1: Core.Form = init_form %ptr.e8f8f9.1 [symbolic]
// CHECK:STDOUT: %pattern_type.4f4b84.1: type = pattern_type %ptr.e8f8f9.1 [symbolic]
// CHECK:STDOUT: %return.param_patt.27f587.1: %pattern_type.4f4b84.1 = out_param_pattern [symbolic]
// CHECK:STDOUT: %return.patt.d67681.1: %pattern_type.4f4b84.1 = return_slot_pattern %return.param_patt.27f587.1, %ptr.e8f8f9.1 [symbolic]
// CHECK:STDOUT: %F.type.eb3ec9.1: type = fn_type @F.loc4 [concrete]
// CHECK:STDOUT: %F.7088cc.1: %F.type.eb3ec9.1 = struct_value () [concrete]
// CHECK:STDOUT: %U.patt.d47: %pattern_type.98f = symbolic_binding_pattern U, 0 [symbolic]
// CHECK:STDOUT: %U.67d: type = symbolic_binding U, 0 [symbolic]
// CHECK:STDOUT: %T.patt.014: %pattern_type.98f = symbolic_binding_pattern T, 1 [symbolic]
// CHECK:STDOUT: %T.091: type = symbolic_binding T, 1 [symbolic]
// CHECK:STDOUT: %ptr.e8f8f9.2: type = ptr_type %U.67d [symbolic]
// CHECK:STDOUT: %.cb6cb9.2: Core.Form = init_form %ptr.e8f8f9.2 [symbolic]
// CHECK:STDOUT: %pattern_type.4f4b84.2: type = pattern_type %ptr.e8f8f9.2 [symbolic]
// CHECK:STDOUT: %return.param_patt.27f587.2: %pattern_type.4f4b84.2 = out_param_pattern [symbolic]
// CHECK:STDOUT: %return.patt.d67681.2: %pattern_type.4f4b84.2 = return_slot_pattern %return.param_patt.27f587.2, %ptr.e8f8f9.2 [symbolic]
// CHECK:STDOUT: %F.type.eb3ec9.2: type = fn_type @F.loc13 [concrete]
// CHECK:STDOUT: %F.7088cc.2: %F.type.eb3ec9.2 = struct_value () [concrete]
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %ptr.e8f8f9.2 [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .F = %F.decl.loc4
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %F.decl.loc4: %F.type.eb3ec9.1 = fn_decl @F.loc4 [concrete = constants.%F.7088cc.1] {
// CHECK:STDOUT: %T.patt.loc4_7.1: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_7.2 (constants.%T.patt.d47)]
// CHECK:STDOUT: %U.patt.loc4_17.1: %pattern_type.98f = symbolic_binding_pattern U, 1 [symbolic = %U.patt.loc4_17.2 (constants.%U.patt.014)]
// CHECK:STDOUT: %return.param_patt.loc4_30.1: @F.loc4.%pattern_type (%pattern_type.4f4b84.1) = out_param_pattern [symbolic = %return.param_patt.loc4_30.2 (constants.%return.param_patt.27f587.1)]
// CHECK:STDOUT: %return.patt.loc4_26.1: @F.loc4.%pattern_type (%pattern_type.4f4b84.1) = return_slot_pattern %return.param_patt.loc4_30.1, %ptr.loc4_30.2 [symbolic = %return.patt.loc4_26.2 (constants.%return.patt.d67681.1)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc4_7.2 [symbolic = %T.loc4_7.1 (constants.%T.67d)]
// CHECK:STDOUT: %ptr.loc4_30.2: type = ptr_type %T.ref [symbolic = %ptr.loc4_30.1 (constants.%ptr.e8f8f9.1)]
// CHECK:STDOUT: %.loc4_30.2: Core.Form = init_form %ptr.loc4_30.2 [symbolic = %.loc4_30.1 (constants.%.cb6cb9.1)]
// CHECK:STDOUT: %.loc4_10.1: type = splice_block %.loc4_10.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc4_7: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %.loc4_10.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %T.loc4_7.2: type = symbolic_binding T, 0 [symbolic = %T.loc4_7.1 (constants.%T.67d)]
// CHECK:STDOUT: %.loc4_20.1: type = splice_block %.loc4_20.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc4_17: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %.loc4_20.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.loc4_17.2: type = symbolic_binding U, 1 [symbolic = %U.loc4_17.1 (constants.%U.091)]
// CHECK:STDOUT: %return.param: ref @F.loc4.%ptr.loc4_30.1 (%ptr.e8f8f9.1) = out_param call_param0
// CHECK:STDOUT: %return: ref @F.loc4.%ptr.loc4_30.1 (%ptr.e8f8f9.1) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.decl.loc13: %F.type.eb3ec9.2 = fn_decl @F.loc13 [concrete = constants.%F.7088cc.2] {
// CHECK:STDOUT: %U.patt.loc13_7.1: %pattern_type.98f = symbolic_binding_pattern U, 0 [symbolic = %U.patt.loc13_7.2 (constants.%U.patt.d47)]
// CHECK:STDOUT: %T.patt.loc13_17.1: %pattern_type.98f = symbolic_binding_pattern T, 1 [symbolic = %T.patt.loc13_17.2 (constants.%T.patt.014)]
// CHECK:STDOUT: %return.param_patt.loc13_30.1: @F.loc13.%pattern_type (%pattern_type.4f4b84.2) = out_param_pattern [symbolic = %return.param_patt.loc13_30.2 (constants.%return.param_patt.27f587.2)]
// CHECK:STDOUT: %return.patt.loc13_26.1: @F.loc13.%pattern_type (%pattern_type.4f4b84.2) = return_slot_pattern %return.param_patt.loc13_30.1, %ptr.loc13_30.2 [symbolic = %return.patt.loc13_26.2 (constants.%return.patt.d67681.2)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %U.ref: type = name_ref U, %U.loc13_7.2 [symbolic = %U.loc13_7.1 (constants.%U.67d)]
// CHECK:STDOUT: %ptr.loc13_30.2: type = ptr_type %U.ref [symbolic = %ptr.loc13_30.1 (constants.%ptr.e8f8f9.2)]
// CHECK:STDOUT: %.loc13_30.2: Core.Form = init_form %ptr.loc13_30.2 [symbolic = %.loc13_30.1 (constants.%.cb6cb9.2)]
// CHECK:STDOUT: %.loc13_10.1: type = splice_block %.loc13_10.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc13_7: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %.loc13_10.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.loc13_7.2: type = symbolic_binding U, 0 [symbolic = %U.loc13_7.1 (constants.%U.67d)]
// CHECK:STDOUT: %.loc13_20.1: type = splice_block %.loc13_20.2 [concrete = type] {
// CHECK:STDOUT: %.Self.frozen.loc13_17: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %.loc13_20.2: type = type_literal type [concrete = type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %T.loc13_17.2: type = symbolic_binding T, 1 [symbolic = %T.loc13_17.1 (constants.%T.091)]
// CHECK:STDOUT: %return.param: ref @F.loc13.%ptr.loc13_30.1 (%ptr.e8f8f9.2) = out_param call_param0
// CHECK:STDOUT: %return: ref @F.loc13.%ptr.loc13_30.1 (%ptr.e8f8f9.2) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.loc4(%T.loc4_7.2: type, %U.loc4_17.2: type) {
// CHECK:STDOUT: %T.patt.loc4_7.2: %pattern_type.98f = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_7.2 (constants.%T.patt.d47)]
// CHECK:STDOUT: %T.loc4_7.1: type = symbolic_binding T, 0 [symbolic = %T.loc4_7.1 (constants.%T.67d)]
// CHECK:STDOUT: %U.patt.loc4_17.2: %pattern_type.98f = symbolic_binding_pattern U, 1 [symbolic = %U.patt.loc4_17.2 (constants.%U.patt.014)]
// CHECK:STDOUT: %U.loc4_17.1: type = symbolic_binding U, 1 [symbolic = %U.loc4_17.1 (constants.%U.091)]
// CHECK:STDOUT: %ptr.loc4_30.1: type = ptr_type %T.loc4_7.1 [symbolic = %ptr.loc4_30.1 (constants.%ptr.e8f8f9.1)]
// CHECK:STDOUT: %.loc4_30.1: Core.Form = init_form %ptr.loc4_30.1 [symbolic = %.loc4_30.1 (constants.%.cb6cb9.1)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr.loc4_30.1 [symbolic = %pattern_type (constants.%pattern_type.4f4b84.1)]
// CHECK:STDOUT: %return.param_patt.loc4_30.2: @F.loc4.%pattern_type (%pattern_type.4f4b84.1) = out_param_pattern [symbolic = %return.param_patt.loc4_30.2 (constants.%return.param_patt.27f587.1)]
// CHECK:STDOUT: %return.patt.loc4_26.2: @F.loc4.%pattern_type (%pattern_type.4f4b84.1) = return_slot_pattern %return.param_patt.loc4_30.2, %ptr.loc4_30.1 [symbolic = %return.patt.loc4_26.2 (constants.%return.patt.d67681.1)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> out %return.param: @F.loc4.%ptr.loc4_30.1 (%ptr.e8f8f9.1);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.loc13(%U.loc13_7.2: type, %T.loc13_17.2: type) {
// CHECK:STDOUT: %U.patt.loc13_7.2: %pattern_type.98f = symbolic_binding_pattern U, 0 [symbolic = %U.patt.loc13_7.2 (constants.%U.patt.d47)]
// CHECK:STDOUT: %U.loc13_7.1: type = symbolic_binding U, 0 [symbolic = %U.loc13_7.1 (constants.%U.67d)]
// CHECK:STDOUT: %T.patt.loc13_17.2: %pattern_type.98f = symbolic_binding_pattern T, 1 [symbolic = %T.patt.loc13_17.2 (constants.%T.patt.014)]
// CHECK:STDOUT: %T.loc13_17.1: type = symbolic_binding T, 1 [symbolic = %T.loc13_17.1 (constants.%T.091)]
// CHECK:STDOUT: %ptr.loc13_30.1: type = ptr_type %U.loc13_7.1 [symbolic = %ptr.loc13_30.1 (constants.%ptr.e8f8f9.2)]
// CHECK:STDOUT: %.loc13_30.1: Core.Form = init_form %ptr.loc13_30.1 [symbolic = %.loc13_30.1 (constants.%.cb6cb9.2)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr.loc13_30.1 [symbolic = %pattern_type (constants.%pattern_type.4f4b84.2)]
// CHECK:STDOUT: %return.param_patt.loc13_30.2: @F.loc13.%pattern_type (%pattern_type.4f4b84.2) = out_param_pattern [symbolic = %return.param_patt.loc13_30.2 (constants.%return.param_patt.27f587.2)]
// CHECK:STDOUT: %return.patt.loc13_26.2: @F.loc13.%pattern_type (%pattern_type.4f4b84.2) = return_slot_pattern %return.param_patt.loc13_30.2, %ptr.loc13_30.1 [symbolic = %return.patt.loc13_26.2 (constants.%return.patt.d67681.2)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %ptr.loc13_30.1 [symbolic = %require_complete (constants.%require_complete)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> out %return.param: @F.loc13.%ptr.loc13_30.1 (%ptr.e8f8f9.2) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F.ref: %F.type.eb3ec9.1 = name_ref F, file.%F.decl.loc4 [concrete = constants.%F.7088cc.1]
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc13_17.2 [symbolic = %T.loc13_17.1 (constants.%T.091)]
// CHECK:STDOUT: return <error>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.loc4(constants.%T.67d, constants.%U.091) {
// CHECK:STDOUT: %T.patt.loc4_7.2 => constants.%T.patt.d47
// CHECK:STDOUT: %T.loc4_7.1 => constants.%T.67d
// CHECK:STDOUT: %U.patt.loc4_17.2 => constants.%U.patt.014
// CHECK:STDOUT: %U.loc4_17.1 => constants.%U.091
// CHECK:STDOUT: %ptr.loc4_30.1 => constants.%ptr.e8f8f9.1
// CHECK:STDOUT: %.loc4_30.1 => constants.%.cb6cb9.1
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.4f4b84.1
// CHECK:STDOUT: %return.param_patt.loc4_30.2 => constants.%return.param_patt.27f587.1
// CHECK:STDOUT: %return.patt.loc4_26.2 => constants.%return.patt.d67681.1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.loc13(constants.%U.67d, constants.%T.091) {
// CHECK:STDOUT: %U.patt.loc13_7.2 => constants.%U.patt.d47
// CHECK:STDOUT: %U.loc13_7.1 => constants.%U.67d
// CHECK:STDOUT: %T.patt.loc13_17.2 => constants.%T.patt.014
// CHECK:STDOUT: %T.loc13_17.1 => constants.%T.091
// CHECK:STDOUT: %ptr.loc13_30.1 => constants.%ptr.e8f8f9.2
// CHECK:STDOUT: %.loc13_30.1 => constants.%.cb6cb9.2
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.4f4b84.2
// CHECK:STDOUT: %return.param_patt.loc13_30.2 => constants.%return.param_patt.27f587.2
// CHECK:STDOUT: %return.patt.loc13_26.2 => constants.%return.patt.d67681.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
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