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carbon-lang/toolchain/check/testdata/class/fail_redefinition.carbon
T
Richard Smith a74ca9071b Remove all remaining uses of TypeIds as instruction operands. (#5280) 
In preparation for shifting from `TypeId`s potentially representing
attached types to always representing unattached types, using
[terminology suggested on
Discord](https://discord.com/channels/655572317891461132/963846118964350976/1359286326779973712).
This change causes us to track slightly more type spelling information
through SemIR.

One change that has significant impact on the SemIR output is that we
now build a `struct_type` instruction in each class representing the
types of the fields, including the spelling used for those types. This
is now no longer always identical to the corresponding canonical
`struct_type` for the object representation, so it's built separately
and owned by the class.

Also remove `TypeBlock` support entirely, as its only use was
representing `TupleType`s, which now use an `InstBlock`.
2025-04-10 20:53:42 +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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/fail_redefinition.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/fail_redefinition.carbon
class Class {
fn F();
fn H();
fn I() {}
}
// CHECK:STDERR: fail_redefinition.carbon:[[@LINE+7]]:1: error: redefinition of `class Class` [RedeclRedef]
// CHECK:STDERR: class Class {
// CHECK:STDERR: ^~~~~~~~~~~~~
// CHECK:STDERR: fail_redefinition.carbon:[[@LINE-9]]:1: note: previously defined here [RedeclPrevDef]
// CHECK:STDERR: class Class {
// CHECK:STDERR: ^~~~~~~~~~~~~
// CHECK:STDERR:
class Class {
fn G();
fn H();
fn I() {}
}
fn Class.F() {}
// CHECK:STDERR: fail_redefinition.carbon:[[@LINE+4]]:10: error: out-of-line declaration requires a declaration in scoped entity [QualifiedDeclOutsideScopeEntity]
// CHECK:STDERR: fn Class.G() {}
// CHECK:STDERR: ^
// CHECK:STDERR:
fn Class.G() {}
fn Class.H() {}
// CHECK:STDERR: fail_redefinition.carbon:[[@LINE+7]]:1: error: redefinition of `fn I` [RedeclRedef]
// CHECK:STDERR: fn Class.I() {}
// CHECK:STDERR: ^~~~~~~~~~~~~~
// CHECK:STDERR: fail_redefinition.carbon:[[@LINE-26]]:3: note: previously defined here [RedeclPrevDef]
// CHECK:STDERR: fn I() {}
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
fn Class.I() {}
// CHECK:STDOUT: --- fail_redefinition.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Class.301e72.1: type = class_type @Class.1 [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %H.type.91d18a.1: type = fn_type @H.1 [concrete]
// CHECK:STDOUT: %H.d38c33.1: %H.type.91d18a.1 = struct_value () [concrete]
// CHECK:STDOUT: %I.type.2b6c8d.1: type = fn_type @I.1 [concrete]
// CHECK:STDOUT: %I.c9aec9.1: %I.type.2b6c8d.1 = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %Class.301e72.2: type = class_type @Class.2 [concrete]
// CHECK:STDOUT: %G.type.621c12.1: type = fn_type @G.1 [concrete]
// CHECK:STDOUT: %G.f0cac0.1: %G.type.621c12.1 = struct_value () [concrete]
// CHECK:STDOUT: %H.type.91d18a.2: type = fn_type @H.2 [concrete]
// CHECK:STDOUT: %H.d38c33.2: %H.type.91d18a.2 = struct_value () [concrete]
// CHECK:STDOUT: %I.type.2b6c8d.2: type = fn_type @I.2 [concrete]
// CHECK:STDOUT: %I.c9aec9.2: %I.type.2b6c8d.2 = struct_value () [concrete]
// CHECK:STDOUT: %G.type.621c12.2: type = fn_type @G.2 [concrete]
// CHECK:STDOUT: %G.f0cac0.2: %G.type.621c12.2 = struct_value () [concrete]
// CHECK:STDOUT: %I.type.2b6c8d.3: type = fn_type @I.3 [concrete]
// CHECK:STDOUT: %I.c9aec9.3: %I.type.2b6c8d.3 = struct_value () [concrete]
// 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: .Class = %Class.decl.loc11
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Class.decl.loc11: type = class_decl @Class.1 [concrete = constants.%Class.301e72.1] {} {}
// CHECK:STDOUT: %Class.decl.loc24: type = class_decl @Class.2 [concrete = constants.%Class.301e72.2] {} {}
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: %G.decl: %G.type.621c12.2 = fn_decl @G.2 [concrete = constants.%G.f0cac0.2] {} {}
// CHECK:STDOUT: %H.decl: %H.type.91d18a.1 = fn_decl @H.1 [concrete = constants.%H.d38c33.1] {} {}
// CHECK:STDOUT: %I.decl: %I.type.2b6c8d.3 = fn_decl @I.3 [concrete = constants.%I.c9aec9.3] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Class.1 {
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: %H.decl: %H.type.91d18a.1 = fn_decl @H.1 [concrete = constants.%H.d38c33.1] {} {}
// CHECK:STDOUT: %I.decl: %I.type.2b6c8d.1 = fn_decl @I.1 [concrete = constants.%I.c9aec9.1] {} {}
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete = constants.%empty_struct_type]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class.301e72.1
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: .H = %H.decl
// CHECK:STDOUT: .I = %I.decl
// CHECK:STDOUT: .G = file.%G.decl
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Class.2 {
// CHECK:STDOUT: %G.decl: %G.type.621c12.1 = fn_decl @G.1 [concrete = constants.%G.f0cac0.1] {} {}
// CHECK:STDOUT: %H.decl: %H.type.91d18a.2 = fn_decl @H.2 [concrete = constants.%H.d38c33.2] {} {}
// CHECK:STDOUT: %I.decl: %I.type.2b6c8d.2 = fn_decl @I.2 [concrete = constants.%I.c9aec9.2] {} {}
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete = constants.%empty_struct_type]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class.301e72.2
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: .H = %H.decl
// CHECK:STDOUT: .I = %I.decl
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @H.1() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @I.1() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G.1();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @H.2();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @I.2() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G.2() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @I.3() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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