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carbon-lang/toolchain/check/testdata/class/generic/complete_in_conversion.carbon
T
Chandler Carruth 8be274cf60 Replace :! binding syntax with phase keywords and contextual defaults (#7479) 
Implement the toolchain side of proposal #7254, removing the `:!`
binding
syntax for generic and template parameters in favor of the keywords
`generic`,
`template`, and `runtime` plus contextual defaults for phase.

For valid programs this is semantics-preserving: each binding resolves
to the
same phase, and produces the same SemIR, as it did under `:!`/`:`. The
parser
derives a binding's phase from its syntactic context plus any explicit
phase
keyword; new diagnostics and error recovery for misused keywords are
described
below.

Implementation details for each component:

- Lexer: remove the `:!` (`ColonExclaim`) token, move its virtual
parse-node
  budget onto `:`, and add the `generic` and `runtime` keywords.
- Parser: thread a `BindingContext` (`ExplicitParam`, `DeducedParam`, or
`CompileTimeEntityParam`) from declaration introducers down through
parameter
lists to each binding pattern, using a one-token lookahead to
distinguish a
name-qualifier parameter list from a declaration's own final list.
Parameters
of a compile-time entity (`class`, `interface`, `constraint`, `choice`,
`alias`, `export`, `namespace`) and deduced `[]` parameters default to
checked
generic; explicit function parameters and local bindings default to
runtime.
`HandleBindingPattern` resolves the phase from that context plus the
keyword: a
`generic` keyword needs no node of its own (the phase is carried by the
  binding's node kind), while a `runtime` keyword is preserved as a
`RuntimeBindingName` node so `check` can name it in a diagnostic. A
phase
keyword that is merely redundant with the contextual default is
diagnosed
  here, without invalidating the parse tree.
- Check: a phase keyword that is invalid for its context (for example
`runtime`
on a checked-generic parameter) is diagnosed here, and recovers by
building an
error binding that still introduces the name so that later uses of it do
not
  produce cascading errors.

The removed `:!` syntax is now rejected as an ordinary parse error.

The `form`/`:?`/`->?` ("extended types") portion of proposal #7254 is
left for a
separate change.

Assisted-by: Claude Code
2026-07-11 01:22:44 +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/int.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/class/generic/complete_in_conversion.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/generic/complete_in_conversion.carbon
// --- fail_derived_to_base.carbon
fn Int(N: Core.IntLiteral) -> type = "int.make_type_signed";
base class B {}
class A(N: i32) {
extend base: B;
var n: Int(N);
}
fn F(a: A(0)*) {
// CHECK:STDERR: fail_derived_to_base.carbon:[[@LINE+7]]:22: error: unable to monomorphize specific `A(0)` [ResolvingSpecificHere]
// CHECK:STDERR: let unused b: B* = a;
// CHECK:STDERR: ^
// CHECK:STDERR: fail_derived_to_base.carbon:[[@LINE-7]]:10: note: integer type width of 0 is not positive [IntWidthNotPositive]
// CHECK:STDERR: var n: Int(N);
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
let unused b: B* = a;
}
// CHECK:STDOUT: --- fail_derived_to_base.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %pattern_type.dc0: type = pattern_type Core.IntLiteral [concrete]
// CHECK:STDOUT: %N.param_patt: %pattern_type.dc0 = value_param_pattern [concrete]
// CHECK:STDOUT: %N.patt.eef: %pattern_type.dc0 = at_binding_pattern N, %N.param_patt [concrete]
// CHECK:STDOUT: %.805: Core.Form = init_form type [concrete]
// CHECK:STDOUT: %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT: %return.param_patt.70e: %pattern_type.98f = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt.3ae: %pattern_type.98f = return_slot_pattern %return.param_patt.70e, type [concrete]
// CHECK:STDOUT: %Int.type.9c0: type = fn_type @Int.loc2 [concrete]
// CHECK:STDOUT: %Int.c4a: %Int.type.9c0 = struct_value () [concrete]
// CHECK:STDOUT: %B: type = class_type @B [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type.357: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %.Self.frozen: %type = symbolic_binding .Self [symbolic_self]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type.6c1: type = generic_class_type @Int.1 [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type.6c1 = struct_value () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int.1, @Int.1(%int_32) [concrete]
// CHECK:STDOUT: %pattern_type.6b6: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %N.patt.38a: %pattern_type.6b6 = symbolic_binding_pattern N, 0 [symbolic]
// CHECK:STDOUT: %N.37f: %i32 = symbolic_binding N, 0 [symbolic]
// CHECK:STDOUT: %A.type: type = generic_class_type @A [concrete]
// CHECK:STDOUT: %A.generic: %A.type = struct_value () [concrete]
// CHECK:STDOUT: %A.6bc: type = class_type @A, @A(%N.37f) [symbolic]
// CHECK:STDOUT: %A.elem.5cd: type = unbound_element_type %A.6bc, %B [symbolic]
// CHECK:STDOUT: %ImplicitAs.type.0ff: type = generic_interface_type @ImplicitAs [concrete]
// CHECK:STDOUT: %ImplicitAs.generic: %ImplicitAs.type.0ff = struct_value () [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e74: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.845: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e74 = struct_value () [symbolic]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.type.683: type = fn_type @Int.as.ImplicitAs.impl.Convert, @Int.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.69e: %Int.as.ImplicitAs.impl.Convert.type.683 = struct_value () [concrete]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.bound.c18: <bound method> = bound_method %N.37f, %Int.as.ImplicitAs.impl.Convert.69e [symbolic]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Int.as.ImplicitAs.impl.Convert.69e, @Int.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.7c3: <bound method> = bound_method %N.37f, %Int.as.ImplicitAs.impl.Convert.specific_fn [symbolic]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.call: init Core.IntLiteral = call %bound_method.7c3(%N.37f) [symbolic]
// CHECK:STDOUT: %iN.builtin.9da: type = int_type signed, %Int.as.ImplicitAs.impl.Convert.call [symbolic]
// CHECK:STDOUT: %require_complete.468: <witness> = require_complete_type %iN.builtin.9da [symbolic]
// CHECK:STDOUT: %pattern_type.075: type = pattern_type %iN.builtin.9da [symbolic]
// CHECK:STDOUT: %n.patt: %pattern_type.075 = ref_binding_pattern n [symbolic]
// CHECK:STDOUT: %A.elem.81f: type = unbound_element_type %A.6bc, %iN.builtin.9da [symbolic]
// CHECK:STDOUT: %struct_type.base.n: type = struct_type {.base: %B, .n: %iN.builtin.9da} [symbolic]
// CHECK:STDOUT: %complete_type.877: <witness> = complete_type_witness %struct_type.base.n [symbolic]
// CHECK:STDOUT: %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: %ImplicitAs.type.914: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %ImplicitAs.impl_witness.a23: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.b3c, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.2ba: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.e39: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.2ba = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.9f1: %ImplicitAs.type.914 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.a23) [concrete]
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.740: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%i32, %ImplicitAs.facet.9f1) [concrete]
// CHECK:STDOUT: %.1c5: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.740, %ImplicitAs.facet.9f1 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.e39 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.e39, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.6e0: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_0.3c0: %i32 = int_value 0 [concrete]
// CHECK:STDOUT: %A.32a: type = class_type @A, @A(%int_0.3c0) [concrete]
// CHECK:STDOUT: %ptr.4dd: type = ptr_type %A.32a [concrete]
// CHECK:STDOUT: %pattern_type.0c3: type = pattern_type %ptr.4dd [concrete]
// CHECK:STDOUT: %a.param_patt: %pattern_type.0c3 = value_param_pattern [concrete]
// CHECK:STDOUT: %a.patt: %pattern_type.0c3 = at_binding_pattern a, %a.param_patt [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %ptr.432: type = ptr_type %B [concrete]
// CHECK:STDOUT: %pattern_type.3c8: type = pattern_type %ptr.432 [concrete]
// CHECK:STDOUT: %b.patt: %pattern_type.3c8 = value_binding_pattern b [concrete]
// CHECK:STDOUT: %A.elem.dc2: type = unbound_element_type %A.32a, %B [concrete]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.bound.319: <bound method> = bound_method %int_0.3c0, %Int.as.ImplicitAs.impl.Convert.69e [concrete]
// CHECK:STDOUT: %bound_method.df0: <bound method> = bound_method %int_0.3c0, %Int.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .IntLiteral = %Core.IntLiteral
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.IntLiteral: type = import_ref Core//prelude/parts/int_literal, IntLiteral, loaded [concrete = Core.IntLiteral]
// CHECK:STDOUT: %Core.Int: %Int.type.6c1 = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: %Core.ImplicitAs: %ImplicitAs.type.0ff = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
// CHECK:STDOUT: %Core.import_ref.edf: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e74) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.845)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.b3c = impl_witness_table (%Core.import_ref.edf), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Int = %Int.decl
// CHECK:STDOUT: .B = %B.decl
// CHECK:STDOUT: .A = %A.decl
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Int.decl: %Int.type.9c0 = fn_decl @Int.loc2 [concrete = constants.%Int.c4a] {
// CHECK:STDOUT: %N.param_patt: %pattern_type.dc0 = value_param_pattern [concrete = constants.%N.param_patt]
// CHECK:STDOUT: %N.patt: %pattern_type.dc0 = at_binding_pattern N, %N.param_patt [concrete = constants.%N.patt.eef]
// CHECK:STDOUT: %return.param_patt: %pattern_type.98f = out_param_pattern [concrete = constants.%return.param_patt.70e]
// CHECK:STDOUT: %return.patt: %pattern_type.98f = return_slot_pattern %return.param_patt, %.loc2_31.1 [concrete = constants.%return.patt.3ae]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc2_31.1: type = type_literal type [concrete = type]
// CHECK:STDOUT: %.loc2_31.2: Core.Form = init_form %.loc2_31.1 [concrete = constants.%.805]
// CHECK:STDOUT: %N.param: Core.IntLiteral = value_param call_param0
// CHECK:STDOUT: %.loc2_15: type = splice_block %IntLiteral.ref [concrete = Core.IntLiteral] {
// CHECK:STDOUT: %Core.ref: <namespace> = name_ref Core, imports.%Core [concrete = imports.%Core]
// CHECK:STDOUT: %IntLiteral.ref: type = name_ref IntLiteral, imports.%Core.IntLiteral [concrete = Core.IntLiteral]
// CHECK:STDOUT: }
// CHECK:STDOUT: %N: Core.IntLiteral = wrapper_binding N, %N.param
// CHECK:STDOUT: %return.param: ref type = out_param call_param1
// CHECK:STDOUT: %return: ref type = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %B.decl: type = class_decl @B [concrete = constants.%B] {} {}
// CHECK:STDOUT: %A.decl: %A.type = class_decl @A [concrete = constants.%A.generic] {
// CHECK:STDOUT: %N.patt.loc6_10.1: %pattern_type.6b6 = symbolic_binding_pattern N, 0 [symbolic = %N.patt.loc6_10.2 (constants.%N.patt.38a)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc6: type = splice_block %i32 [concrete = constants.%i32] {
// CHECK:STDOUT: %.Self.frozen: %type = symbolic_binding .Self [symbolic_self = constants.%.Self.frozen]
// CHECK:STDOUT: %i32: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %N.loc6_10.2: %i32 = symbolic_binding N, 0 [symbolic = %N.loc6_10.1 (constants.%N.37f)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %a.param_patt: %pattern_type.0c3 = value_param_pattern [concrete = constants.%a.param_patt]
// CHECK:STDOUT: %a.patt: %pattern_type.0c3 = at_binding_pattern a, %a.param_patt [concrete = constants.%a.patt]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %a.param: %ptr.4dd = value_param call_param0
// CHECK:STDOUT: %.loc12_13: type = splice_block %ptr.loc12 [concrete = constants.%ptr.4dd] {
// CHECK:STDOUT: %A.ref: %A.type = name_ref A, file.%A.decl [concrete = constants.%A.generic]
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
// CHECK:STDOUT: %impl.elem0: %.1c5 = impl_witness_access constants.%ImplicitAs.impl_witness.a23, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.e39]
// CHECK:STDOUT: %bound_method.loc12_12.1: <bound method> = bound_method %int_0, %impl.elem0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound]
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc12_12.2: <bound method> = bound_method %int_0, %specific_fn [concrete = constants.%bound_method.6e0]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call: init %i32 = call %bound_method.loc12_12.2(%int_0) [concrete = constants.%int_0.3c0]
// CHECK:STDOUT: %.loc12_12.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_0.3c0]
// CHECK:STDOUT: %.loc12_12.2: %i32 = converted %int_0, %.loc12_12.1 [concrete = constants.%int_0.3c0]
// CHECK:STDOUT: %A: type = class_type @A, @A(constants.%int_0.3c0) [concrete = constants.%A.32a]
// CHECK:STDOUT: %ptr.loc12: type = ptr_type %A [concrete = constants.%ptr.4dd]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a: %ptr.4dd = wrapper_binding a, %a.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @B {
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type.357]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%B
// CHECK:STDOUT: .Int = <poisoned>
// CHECK:STDOUT: .N = <poisoned>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @A(%N.loc6_10.2: %i32) {
// CHECK:STDOUT: %N.patt.loc6_10.2: %pattern_type.6b6 = symbolic_binding_pattern N, 0 [symbolic = %N.patt.loc6_10.2 (constants.%N.patt.38a)]
// CHECK:STDOUT: %N.loc6_10.1: %i32 = symbolic_binding N, 0 [symbolic = %N.loc6_10.1 (constants.%N.37f)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %A: type = class_type @A, @A(%N.loc6_10.1) [symbolic = %A (constants.%A.6bc)]
// CHECK:STDOUT: %A.elem.loc7: type = unbound_element_type %A, constants.%B [symbolic = %A.elem.loc7 (constants.%A.elem.5cd)]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %N.loc6_10.1, constants.%Int.as.ImplicitAs.impl.Convert.69e [symbolic = %Int.as.ImplicitAs.impl.Convert.bound (constants.%Int.as.ImplicitAs.impl.Convert.bound.c18)]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %N.loc6_10.1, constants.%Int.as.ImplicitAs.impl.Convert.specific_fn [symbolic = %bound_method (constants.%bound_method.7c3)]
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.call: init Core.IntLiteral = call %bound_method(%N.loc6_10.1) [symbolic = %Int.as.ImplicitAs.impl.Convert.call (constants.%Int.as.ImplicitAs.impl.Convert.call)]
// CHECK:STDOUT: %iN.builtin: type = int_type signed, %Int.as.ImplicitAs.impl.Convert.call [symbolic = %iN.builtin (constants.%iN.builtin.9da)]
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %iN.builtin [symbolic = %require_complete (constants.%require_complete.468)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %iN.builtin [symbolic = %pattern_type (constants.%pattern_type.075)]
// CHECK:STDOUT: %n.patt: @A.%pattern_type (%pattern_type.075) = ref_binding_pattern n [symbolic = %n.patt (constants.%n.patt)]
// CHECK:STDOUT: %A.elem.loc9: type = unbound_element_type %A, %iN.builtin [symbolic = %A.elem.loc9 (constants.%A.elem.81f)]
// CHECK:STDOUT: %struct_type.base.n: type = struct_type {.base: %B, .n: @A.%iN.builtin (%iN.builtin.9da)} [symbolic = %struct_type.base.n (constants.%struct_type.base.n)]
// CHECK:STDOUT: %complete_type.loc10_1.2: <witness> = complete_type_witness %struct_type.base.n [symbolic = %complete_type.loc10_1.2 (constants.%complete_type.877)]
// CHECK:STDOUT:
// CHECK:STDOUT: class {
// CHECK:STDOUT: %B.ref: type = name_ref B, file.%B.decl [concrete = constants.%B]
// CHECK:STDOUT: %.loc7: @A.%A.elem.loc7 (%A.elem.5cd) = base_decl %B.ref, element0 [concrete]
// CHECK:STDOUT: %.loc9: @A.%A.elem.loc9 (%A.elem.81f) = field_decl n, element1 [concrete]
// CHECK:STDOUT: %complete_type.loc10_1.1: <witness> = complete_type_witness constants.%struct_type.base.n [symbolic = %complete_type.loc10_1.2 (constants.%complete_type.877)]
// CHECK:STDOUT: complete_type_witness = %complete_type.loc10_1.1
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%A.6bc
// CHECK:STDOUT: .B = <poisoned>
// CHECK:STDOUT: .base = %.loc7
// CHECK:STDOUT: .Int = <poisoned>
// CHECK:STDOUT: .N = <poisoned>
// CHECK:STDOUT: .n = %.loc9
// CHECK:STDOUT: extend %B.ref
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int.loc2(%N.param: Core.IntLiteral) -> out %return.param: type = "int.make_type_signed";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%a.param: %ptr.4dd) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a.ref: %ptr.4dd = name_ref a, %a
// CHECK:STDOUT: %.loc20_22.1: ref %A.32a = deref %a.ref
// CHECK:STDOUT: %.loc20_22.2: ref %B = class_element_access %.loc20_22.1, element0
// CHECK:STDOUT: %addr: %ptr.432 = addr_of %.loc20_22.2
// CHECK:STDOUT: %.loc20_22.3: %ptr.432 = converted %a.ref, %addr
// CHECK:STDOUT: %.loc20_18: type = splice_block %ptr.loc20 [concrete = constants.%ptr.432] {
// CHECK:STDOUT: %B.ref: type = name_ref B, file.%B.decl [concrete = constants.%B]
// CHECK:STDOUT: %ptr.loc20: type = ptr_type %B.ref [concrete = constants.%ptr.432]
// CHECK:STDOUT: }
// CHECK:STDOUT: %b: %ptr.432 = wrapper_binding b, %.loc20_22.3
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %b.patt: %pattern_type.3c8 = value_binding_pattern b [concrete = constants.%b.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @A(constants.%N.37f) {
// CHECK:STDOUT: %N.patt.loc6_10.2 => constants.%N.patt.38a
// CHECK:STDOUT: %N.loc6_10.1 => constants.%N.37f
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @A(constants.%int_0.3c0) {
// CHECK:STDOUT: %N.patt.loc6_10.2 => constants.%N.patt.38a
// CHECK:STDOUT: %N.loc6_10.1 => constants.%int_0.3c0
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %A => constants.%A.32a
// CHECK:STDOUT: %A.elem.loc7 => constants.%A.elem.dc2
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.bound => constants.%Int.as.ImplicitAs.impl.Convert.bound.319
// CHECK:STDOUT: %bound_method => constants.%bound_method.df0
// CHECK:STDOUT: %Int.as.ImplicitAs.impl.Convert.call => constants.%int_0.5c6
// CHECK:STDOUT: %iN.builtin => <error>
// CHECK:STDOUT: %require_complete => <error>
// CHECK:STDOUT: %pattern_type => <error>
// CHECK:STDOUT: %n.patt => <error>
// CHECK:STDOUT: %A.elem.loc9 => <error>
// CHECK:STDOUT: %struct_type.base.n => <error>
// CHECK:STDOUT: %complete_type.loc10_1.2 => <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
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