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carbon-lang/toolchain/check/testdata/function/generic/redeclare.carbon
T
Dana JansensandJon Ross-Perkins 4b0e2b03b6 Add the .Self name for the type expression of a compile time binding (#5937) 
We add a virtual node (`CompileTimeBindingPatternStart`) as the first
child of `CompileTimeBindingPattern` which holds the identifier
underneath it, so that it is checked just before the type expression of
the `CompileTimeBindingPattern`. When we reach this virtual node during
check, we add `.Self` as a name in the current scope, and when we reach
`CompileTimeBindingPattern` we remove it from scope, which ensures it's
present during only the checking of the type expression for the compile
time pattern.

At the moment the `.Self` has a different type (it's a `TypeType`) than
other `.Self` in the facet type (which are a single `FacetType`), but
the intention is to immediately substitute it out of the facet type
entirely, replacing it with a reference to the compile time binding (a
`BindSymbolicName`) itself. A TODO has been added for this.

---------

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
2025-08-12 16:27:07 +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]]:6: error: redeclaration differs at parameter 1 [RedeclParamDiffers]
// CHECK:STDERR: fn F(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(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: %.Self: type = bind_symbolic_name .Self [symbolic_self]
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT: %ptr: type = ptr_type %T [symbolic]
// CHECK:STDOUT: %pattern_type.afe: type = pattern_type %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: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT: %return.patt: @F.%pattern_type (%pattern_type.afe) = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: @F.%pattern_type (%pattern_type.afe) = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.ref.loc4: type = name_ref T, %T.loc4_6.2 [symbolic = %T.loc4_6.1 (constants.%T)]
// CHECK:STDOUT: %ptr.loc4_20.2: type = ptr_type %T.ref.loc4 [symbolic = %ptr.loc4_20.1 (constants.%ptr)]
// CHECK:STDOUT: %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %T.loc4_6.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_6.1 (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: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT: %return.patt: @F.%pattern_type (%pattern_type.afe) = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: @F.%pattern_type (%pattern_type.afe) = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.ref.loc6: type = name_ref T, %T.loc6 [symbolic = %T.loc4_6.1 (constants.%T)]
// CHECK:STDOUT: %ptr.loc6: type = ptr_type %T.ref.loc6 [symbolic = %ptr.loc4_20.1 (constants.%ptr)]
// CHECK:STDOUT: %.Self.1: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %T.loc6: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_6.1 (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_6.2: type) {
// CHECK:STDOUT: %T.loc4_6.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_6.1 (constants.%T)]
// CHECK:STDOUT: %ptr.loc4_20.1: type = ptr_type %T.loc4_6.1 [symbolic = %ptr.loc4_20.1 (constants.%ptr)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr.loc4_20.1 [symbolic = %pattern_type (constants.%pattern_type.afe)]
// 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_6.1) [symbolic = %F.specific_fn.loc7_10.2 (constants.%F.specific_fn)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> @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_6.1 (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: %.loc7_14.1: @F.%ptr.loc4_20.1 (%ptr) = value_of_initializer %F.call
// CHECK:STDOUT: %.loc7_14.2: @F.%ptr.loc4_20.1 (%ptr) = converted %F.call, %.loc7_14.1
// CHECK:STDOUT: return %.loc7_14.2
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F(constants.%T) {
// CHECK:STDOUT: %T.loc4_6.1 => constants.%T
// CHECK:STDOUT: %ptr.loc4_20.1 => constants.%ptr
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.afe
// 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: %.Self: type = bind_symbolic_name .Self [symbolic_self]
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT: %U: type = bind_symbolic_name U, 1 [symbolic]
// CHECK:STDOUT: %ptr.79f: type = ptr_type %T [symbolic]
// CHECK:STDOUT: %pattern_type.afe: type = pattern_type %ptr.79f [symbolic]
// CHECK:STDOUT: %F.type.b25846.1: type = fn_type @F.loc4 [concrete]
// CHECK:STDOUT: %F.c41931.1: %F.type.b25846.1 = struct_value () [concrete]
// CHECK:STDOUT: %ptr.b51: type = ptr_type %U [symbolic]
// CHECK:STDOUT: %pattern_type.ead: type = pattern_type %ptr.b51 [symbolic]
// CHECK:STDOUT: %F.type.b25846.2: type = fn_type @F.loc13 [concrete]
// CHECK:STDOUT: %F.c41931.2: %F.type.b25846.2 = struct_value () [concrete]
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %ptr.b51 [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.b25846.1 = fn_decl @F.loc4 [concrete = constants.%F.c41931.1] {
// CHECK:STDOUT: %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT: %U.patt: %pattern_type.98f = symbolic_binding_pattern U, 1 [concrete]
// CHECK:STDOUT: %return.patt: @F.loc4.%pattern_type (%pattern_type.afe) = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: @F.loc4.%pattern_type (%pattern_type.afe) = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc4_6.2 [symbolic = %T.loc4_6.1 (constants.%T)]
// CHECK:STDOUT: %ptr.loc4_30.2: type = ptr_type %T.ref [symbolic = %ptr.loc4_30.1 (constants.%ptr.79f)]
// CHECK:STDOUT: %.Self.1: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %T.loc4_6.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_6.1 (constants.%T)]
// CHECK:STDOUT: %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %U.loc4_16.2: type = bind_symbolic_name U, 1 [symbolic = %U.loc4_16.1 (constants.%U)]
// CHECK:STDOUT: %return.param: ref @F.loc4.%ptr.loc4_30.1 (%ptr.79f) = out_param call_param0
// CHECK:STDOUT: %return: ref @F.loc4.%ptr.loc4_30.1 (%ptr.79f) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.decl.loc13: %F.type.b25846.2 = fn_decl @F.loc13 [concrete = constants.%F.c41931.2] {
// CHECK:STDOUT: %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT: %U.patt: %pattern_type.98f = symbolic_binding_pattern U, 1 [concrete]
// CHECK:STDOUT: %return.patt: @F.loc13.%pattern_type (%pattern_type.ead) = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: @F.loc13.%pattern_type (%pattern_type.ead) = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %U.ref: type = name_ref U, %U.loc13_16.2 [symbolic = %U.loc13_16.1 (constants.%U)]
// CHECK:STDOUT: %ptr.loc13_30.2: type = ptr_type %U.ref [symbolic = %ptr.loc13_30.1 (constants.%ptr.b51)]
// CHECK:STDOUT: %.Self.1: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %T.loc13_6.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc13_6.1 (constants.%T)]
// CHECK:STDOUT: %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %U.loc13_16.2: type = bind_symbolic_name U, 1 [symbolic = %U.loc13_16.1 (constants.%U)]
// CHECK:STDOUT: %return.param: ref @F.loc13.%ptr.loc13_30.1 (%ptr.b51) = out_param call_param0
// CHECK:STDOUT: %return: ref @F.loc13.%ptr.loc13_30.1 (%ptr.b51) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.loc4(%T.loc4_6.2: type, %U.loc4_16.2: type) {
// CHECK:STDOUT: %T.loc4_6.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_6.1 (constants.%T)]
// CHECK:STDOUT: %U.loc4_16.1: type = bind_symbolic_name U, 1 [symbolic = %U.loc4_16.1 (constants.%U)]
// CHECK:STDOUT: %ptr.loc4_30.1: type = ptr_type %T.loc4_6.1 [symbolic = %ptr.loc4_30.1 (constants.%ptr.79f)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr.loc4_30.1 [symbolic = %pattern_type (constants.%pattern_type.afe)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> @F.loc4.%ptr.loc4_30.1 (%ptr.79f);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.loc13(%T.loc13_6.2: type, %U.loc13_16.2: type) {
// CHECK:STDOUT: %T.loc13_6.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc13_6.1 (constants.%T)]
// CHECK:STDOUT: %U.loc13_16.1: type = bind_symbolic_name U, 1 [symbolic = %U.loc13_16.1 (constants.%U)]
// CHECK:STDOUT: %ptr.loc13_30.1: type = ptr_type %U.loc13_16.1 [symbolic = %ptr.loc13_30.1 (constants.%ptr.b51)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr.loc13_30.1 [symbolic = %pattern_type (constants.%pattern_type.ead)]
// 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() -> @F.loc13.%ptr.loc13_30.1 (%ptr.b51) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F.ref: %F.type.b25846.1 = name_ref F, file.%F.decl.loc4 [concrete = constants.%F.c41931.1]
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc13_6.2 [symbolic = %T.loc13_6.1 (constants.%T)]
// CHECK:STDOUT: return <error>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.loc4(constants.%T, constants.%U) {
// CHECK:STDOUT: %T.loc4_6.1 => constants.%T
// CHECK:STDOUT: %U.loc4_16.1 => constants.%U
// CHECK:STDOUT: %ptr.loc4_30.1 => constants.%ptr.79f
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.afe
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.loc13(constants.%T, constants.%U) {
// CHECK:STDOUT: %T.loc13_6.1 => constants.%T
// CHECK:STDOUT: %U.loc13_16.1 => constants.%U
// CHECK:STDOUT: %ptr.loc13_30.1 => constants.%ptr.b51
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.ead
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_reorder.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %.Self: type = bind_symbolic_name .Self [symbolic_self]
// CHECK:STDOUT: %T.8b3: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT: %U.336: type = bind_symbolic_name U, 1 [symbolic]
// CHECK:STDOUT: %ptr.79f: type = ptr_type %T.8b3 [symbolic]
// CHECK:STDOUT: %pattern_type.afe: type = pattern_type %ptr.79f [symbolic]
// CHECK:STDOUT: %F.type.b25846.1: type = fn_type @F.loc4 [concrete]
// CHECK:STDOUT: %F.c41931.1: %F.type.b25846.1 = struct_value () [concrete]
// CHECK:STDOUT: %U.8b3: type = bind_symbolic_name U, 0 [symbolic]
// CHECK:STDOUT: %T.336: type = bind_symbolic_name T, 1 [symbolic]
// CHECK:STDOUT: %ptr.b51: type = ptr_type %T.336 [symbolic]
// CHECK:STDOUT: %pattern_type.ead: type = pattern_type %ptr.b51 [symbolic]
// CHECK:STDOUT: %F.type.b25846.2: type = fn_type @F.loc13 [concrete]
// CHECK:STDOUT: %F.c41931.2: %F.type.b25846.2 = struct_value () [concrete]
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %ptr.b51 [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.b25846.1 = fn_decl @F.loc4 [concrete = constants.%F.c41931.1] {
// CHECK:STDOUT: %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT: %U.patt: %pattern_type.98f = symbolic_binding_pattern U, 1 [concrete]
// CHECK:STDOUT: %return.patt: @F.loc4.%pattern_type (%pattern_type.afe) = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: @F.loc4.%pattern_type (%pattern_type.afe) = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc4_6.2 [symbolic = %T.loc4_6.1 (constants.%T.8b3)]
// CHECK:STDOUT: %ptr.loc4_30.2: type = ptr_type %T.ref [symbolic = %ptr.loc4_30.1 (constants.%ptr.79f)]
// CHECK:STDOUT: %.Self.1: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %T.loc4_6.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_6.1 (constants.%T.8b3)]
// CHECK:STDOUT: %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %U.loc4_16.2: type = bind_symbolic_name U, 1 [symbolic = %U.loc4_16.1 (constants.%U.336)]
// CHECK:STDOUT: %return.param: ref @F.loc4.%ptr.loc4_30.1 (%ptr.79f) = out_param call_param0
// CHECK:STDOUT: %return: ref @F.loc4.%ptr.loc4_30.1 (%ptr.79f) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.decl.loc13: %F.type.b25846.2 = fn_decl @F.loc13 [concrete = constants.%F.c41931.2] {
// CHECK:STDOUT: %U.patt: %pattern_type.98f = symbolic_binding_pattern U, 0 [concrete]
// CHECK:STDOUT: %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 1 [concrete]
// CHECK:STDOUT: %return.patt: @F.loc13.%pattern_type (%pattern_type.ead) = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: @F.loc13.%pattern_type (%pattern_type.ead) = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.ref.loc13: type = name_ref T, %T.loc13_16.2 [symbolic = %T.loc13_16.1 (constants.%T.336)]
// CHECK:STDOUT: %ptr.loc13_30.2: type = ptr_type %T.ref.loc13 [symbolic = %ptr.loc13_30.1 (constants.%ptr.b51)]
// CHECK:STDOUT: %.Self.1: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %U.loc13_6.2: type = bind_symbolic_name U, 0 [symbolic = %U.loc13_6.1 (constants.%U.8b3)]
// CHECK:STDOUT: %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %T.loc13_16.2: type = bind_symbolic_name T, 1 [symbolic = %T.loc13_16.1 (constants.%T.336)]
// CHECK:STDOUT: %return.param: ref @F.loc13.%ptr.loc13_30.1 (%ptr.b51) = out_param call_param0
// CHECK:STDOUT: %return: ref @F.loc13.%ptr.loc13_30.1 (%ptr.b51) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.loc4(%T.loc4_6.2: type, %U.loc4_16.2: type) {
// CHECK:STDOUT: %T.loc4_6.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_6.1 (constants.%T.8b3)]
// CHECK:STDOUT: %U.loc4_16.1: type = bind_symbolic_name U, 1 [symbolic = %U.loc4_16.1 (constants.%U.336)]
// CHECK:STDOUT: %ptr.loc4_30.1: type = ptr_type %T.loc4_6.1 [symbolic = %ptr.loc4_30.1 (constants.%ptr.79f)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr.loc4_30.1 [symbolic = %pattern_type (constants.%pattern_type.afe)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> @F.loc4.%ptr.loc4_30.1 (%ptr.79f);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.loc13(%U.loc13_6.2: type, %T.loc13_16.2: type) {
// CHECK:STDOUT: %U.loc13_6.1: type = bind_symbolic_name U, 0 [symbolic = %U.loc13_6.1 (constants.%U.8b3)]
// CHECK:STDOUT: %T.loc13_16.1: type = bind_symbolic_name T, 1 [symbolic = %T.loc13_16.1 (constants.%T.336)]
// CHECK:STDOUT: %ptr.loc13_30.1: type = ptr_type %T.loc13_16.1 [symbolic = %ptr.loc13_30.1 (constants.%ptr.b51)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr.loc13_30.1 [symbolic = %pattern_type (constants.%pattern_type.ead)]
// 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() -> @F.loc13.%ptr.loc13_30.1 (%ptr.b51) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F.ref: %F.type.b25846.1 = name_ref F, file.%F.decl.loc4 [concrete = constants.%F.c41931.1]
// CHECK:STDOUT: %T.ref.loc21: type = name_ref T, %T.loc13_16.2 [symbolic = %T.loc13_16.1 (constants.%T.336)]
// CHECK:STDOUT: return <error>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.loc4(constants.%T.8b3, constants.%U.336) {
// CHECK:STDOUT: %T.loc4_6.1 => constants.%T.8b3
// CHECK:STDOUT: %U.loc4_16.1 => constants.%U.336
// CHECK:STDOUT: %ptr.loc4_30.1 => constants.%ptr.79f
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.afe
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.loc13(constants.%U.8b3, constants.%T.336) {
// CHECK:STDOUT: %U.loc13_6.1 => constants.%U.8b3
// CHECK:STDOUT: %T.loc13_16.1 => constants.%T.336
// CHECK:STDOUT: %ptr.loc13_30.1 => constants.%ptr.b51
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.ead
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_rename.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %.Self: type = bind_symbolic_name .Self [symbolic_self]
// CHECK:STDOUT: %T.8b3: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT: %U.336: type = bind_symbolic_name U, 1 [symbolic]
// CHECK:STDOUT: %ptr.79f131.1: type = ptr_type %T.8b3 [symbolic]
// CHECK:STDOUT: %pattern_type.afe393.1: type = pattern_type %ptr.79f131.1 [symbolic]
// CHECK:STDOUT: %F.type.b25846.1: type = fn_type @F.loc4 [concrete]
// CHECK:STDOUT: %F.c41931.1: %F.type.b25846.1 = struct_value () [concrete]
// CHECK:STDOUT: %U.8b3: type = bind_symbolic_name U, 0 [symbolic]
// CHECK:STDOUT: %T.336: type = bind_symbolic_name T, 1 [symbolic]
// CHECK:STDOUT: %ptr.79f131.2: type = ptr_type %U.8b3 [symbolic]
// CHECK:STDOUT: %pattern_type.afe393.2: type = pattern_type %ptr.79f131.2 [symbolic]
// CHECK:STDOUT: %F.type.b25846.2: type = fn_type @F.loc13 [concrete]
// CHECK:STDOUT: %F.c41931.2: %F.type.b25846.2 = struct_value () [concrete]
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %ptr.79f131.2 [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.b25846.1 = fn_decl @F.loc4 [concrete = constants.%F.c41931.1] {
// CHECK:STDOUT: %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT: %U.patt: %pattern_type.98f = symbolic_binding_pattern U, 1 [concrete]
// CHECK:STDOUT: %return.patt: @F.loc4.%pattern_type (%pattern_type.afe393.1) = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: @F.loc4.%pattern_type (%pattern_type.afe393.1) = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc4_6.2 [symbolic = %T.loc4_6.1 (constants.%T.8b3)]
// CHECK:STDOUT: %ptr.loc4_30.2: type = ptr_type %T.ref [symbolic = %ptr.loc4_30.1 (constants.%ptr.79f131.1)]
// CHECK:STDOUT: %.Self.1: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %T.loc4_6.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_6.1 (constants.%T.8b3)]
// CHECK:STDOUT: %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %U.loc4_16.2: type = bind_symbolic_name U, 1 [symbolic = %U.loc4_16.1 (constants.%U.336)]
// CHECK:STDOUT: %return.param: ref @F.loc4.%ptr.loc4_30.1 (%ptr.79f131.1) = out_param call_param0
// CHECK:STDOUT: %return: ref @F.loc4.%ptr.loc4_30.1 (%ptr.79f131.1) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.decl.loc13: %F.type.b25846.2 = fn_decl @F.loc13 [concrete = constants.%F.c41931.2] {
// CHECK:STDOUT: %U.patt: %pattern_type.98f = symbolic_binding_pattern U, 0 [concrete]
// CHECK:STDOUT: %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 1 [concrete]
// CHECK:STDOUT: %return.patt: @F.loc13.%pattern_type (%pattern_type.afe393.2) = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: @F.loc13.%pattern_type (%pattern_type.afe393.2) = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %U.ref: type = name_ref U, %U.loc13_6.2 [symbolic = %U.loc13_6.1 (constants.%U.8b3)]
// CHECK:STDOUT: %ptr.loc13_30.2: type = ptr_type %U.ref [symbolic = %ptr.loc13_30.1 (constants.%ptr.79f131.2)]
// CHECK:STDOUT: %.Self.1: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %U.loc13_6.2: type = bind_symbolic_name U, 0 [symbolic = %U.loc13_6.1 (constants.%U.8b3)]
// CHECK:STDOUT: %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %T.loc13_16.2: type = bind_symbolic_name T, 1 [symbolic = %T.loc13_16.1 (constants.%T.336)]
// CHECK:STDOUT: %return.param: ref @F.loc13.%ptr.loc13_30.1 (%ptr.79f131.2) = out_param call_param0
// CHECK:STDOUT: %return: ref @F.loc13.%ptr.loc13_30.1 (%ptr.79f131.2) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.loc4(%T.loc4_6.2: type, %U.loc4_16.2: type) {
// CHECK:STDOUT: %T.loc4_6.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_6.1 (constants.%T.8b3)]
// CHECK:STDOUT: %U.loc4_16.1: type = bind_symbolic_name U, 1 [symbolic = %U.loc4_16.1 (constants.%U.336)]
// CHECK:STDOUT: %ptr.loc4_30.1: type = ptr_type %T.loc4_6.1 [symbolic = %ptr.loc4_30.1 (constants.%ptr.79f131.1)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr.loc4_30.1 [symbolic = %pattern_type (constants.%pattern_type.afe393.1)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> @F.loc4.%ptr.loc4_30.1 (%ptr.79f131.1);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.loc13(%U.loc13_6.2: type, %T.loc13_16.2: type) {
// CHECK:STDOUT: %U.loc13_6.1: type = bind_symbolic_name U, 0 [symbolic = %U.loc13_6.1 (constants.%U.8b3)]
// CHECK:STDOUT: %T.loc13_16.1: type = bind_symbolic_name T, 1 [symbolic = %T.loc13_16.1 (constants.%T.336)]
// CHECK:STDOUT: %ptr.loc13_30.1: type = ptr_type %U.loc13_6.1 [symbolic = %ptr.loc13_30.1 (constants.%ptr.79f131.2)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr.loc13_30.1 [symbolic = %pattern_type (constants.%pattern_type.afe393.2)]
// 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() -> @F.loc13.%ptr.loc13_30.1 (%ptr.79f131.2) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F.ref: %F.type.b25846.1 = name_ref F, file.%F.decl.loc4 [concrete = constants.%F.c41931.1]
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc13_16.2 [symbolic = %T.loc13_16.1 (constants.%T.336)]
// CHECK:STDOUT: return <error>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.loc4(constants.%T.8b3, constants.%U.336) {
// CHECK:STDOUT: %T.loc4_6.1 => constants.%T.8b3
// CHECK:STDOUT: %U.loc4_16.1 => constants.%U.336
// CHECK:STDOUT: %ptr.loc4_30.1 => constants.%ptr.79f131.1
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.afe393.1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.loc13(constants.%U.8b3, constants.%T.336) {
// CHECK:STDOUT: %U.loc13_6.1 => constants.%U.8b3
// CHECK:STDOUT: %T.loc13_16.1 => constants.%T.336
// CHECK:STDOUT: %ptr.loc13_30.1 => constants.%ptr.79f131.2
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.afe393.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
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