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carbon-lang/toolchain/lower/testdata/function/generic/self_canonical.carbon
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Christopher Di Bella f7cd39428e Add Destroy.SubobjectDestroy as a temporary replacement for Destroy.Op (#7773) 
This change partially implements [PR #7362], which revises how objects
are destroyed. It is a partial implementation for two reasons:

1. This change moves `Destroy.Op`'s current behaviour into
`Destroy.SubobjectDestroy`, but it doesn't add support for objects with
non-trivial destruction.
2. `Destroy.SubobjectDestroy` is a workaround for `require impls
SubobjectDestroy`. We aren't able to use the latter until the dependents
add their requirements' implementations to their own witness tables.

[PR #7362]: https://github.com/carbon-language/carbon-lang/pulls/7362
2026-09-24 00:06:28 +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
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/function/generic/self_canonical.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/function/generic/self_canonical.carbon
// In this test, specific46 becomes canonical for others. Then, specific42 is
// found to be equivalent to specific46 and it becomes its canonical.
// Then through another equivalence from other specifics that point to
// specific46, specific46 is picked as the canonical. This is fine, we keep the
// chain of equivalences and eventually this is walked to get to specific42.
// The canonical for specific46, should not be updated to self in this case.
// Test that chains of equivalances are properly maintained and walked.
class class_name1 {}
class class_name2 {}
class class_name3 {}
class class_name4 {}
class class_name5 {}
class class_name6 {}
fn third_function[T: type, U: type, V: type](arg1: T, arg2: U, arg3: V);
fn fourth_function[T: type](arg: T);
fn first_function[T: type](arg: T);
fn second_function[T: type, U: type, V: type](arg1: T, arg2: U, arg3: V);
fn third_function[T: type, U: type, V: type](arg1: T, arg2: U, unused arg3: V) {
var local1: class_name2*;
var local2: class_name2*;
third_function(arg1, arg2, local2);
fourth_function(local1);
}
fn unused_1[T: type, U: type, V: type](arg1: T, unused arg2: U, arg3: V) {
var local1: class_name6*;
third_function(arg1, arg3, local1);
}
fn fourth_function[T: type](unused arg: T) {
var local1: class_name5**;
var local2: class_name6*;
first_function(local1);
first_function(local2);
}
fn first_function[T: type](arg: T) {
var local1: class_name4*;
var local2: class_name3*;
second_function(local2, local1, arg);
}
fn unused_2[T: type, U: type](arg1: T, arg2: U) {
var local1: class_name6*;
second_function(arg1, arg2, local1);
}
fn second_function[T: type, U: type, V: type](arg1: T, unused arg2: U, arg3: V) {
var local1: class_name3*;
var local2: class_name4*;
var local3: class_name2*;
second_function(arg3, local3, local2);
third_function(local1, arg3, arg1);
}
fn Main_method_no_template () {
var local1: class_name1*;
first_function(local1);
}
// CHECK:STDOUT: ; ---
// CHECK:STDOUT: ; ModuleID = 'self_canonical.carbon'
// CHECK:STDOUT: source_filename = "self_canonical.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.73ffa1ae01557cf1:core.Destroy.Core"(ptr %self) #0 !dbg !21 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !23
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.28258e58291017cc:core.Destroy.Core"(ptr %self) #0 !dbg !25 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !27
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.a247f3a5f241fa11:core.Destroy.Core"(ptr %self) #0 !dbg !29 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !31
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.22bdc7946a052e71:core.Destroy.Core"(ptr %self) #0 !dbg !33 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !35
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.680a5c6f7a3d0796:core.Destroy.Core"(ptr %self) #0 !dbg !37 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !39
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define void @_CMain_method_no_template.Main() #0 !dbg !41 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %local1.var = alloca ptr, align 8, !dbg !42
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %local1.var), !dbg !42
// CHECK:STDOUT: store ptr poison, ptr %local1.var, align 8, !dbg !42
// CHECK:STDOUT: %.loc82 = load ptr, ptr %local1.var, align 8, !dbg !44
// CHECK:STDOUT: call void @_Cfirst_function.Main.ee57965601b4d646(ptr %.loc82), !dbg !45
// CHECK:STDOUT: call void @"_CSelfDestruct.a79cf9479d679a84:core.Destroy.Core"(ptr %local1.var), !dbg !42
// CHECK:STDOUT: ret void, !dbg !46
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.a79cf9479d679a84:core.Destroy.Core"(ptr %self) #0 !dbg !47 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !49
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @_Cfourth_function.Main.4da09b2222fc2513(ptr %arg) #0 !dbg !192 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %local1.var = alloca ptr, align 8, !dbg !195
// CHECK:STDOUT: %local2.var = alloca ptr, align 8, !dbg !197
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %local1.var), !dbg !195
// CHECK:STDOUT: store ptr poison, ptr %local1.var, align 8, !dbg !195
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %local2.var), !dbg !197
// CHECK:STDOUT: store ptr poison, ptr %local2.var, align 8, !dbg !197
// CHECK:STDOUT: %.loc53 = load ptr, ptr %local1.var, align 8, !dbg !199
// CHECK:STDOUT: call void @_Cfirst_function.Main.ee57965601b4d646(ptr %.loc53), !dbg !200
// CHECK:STDOUT: %.loc54 = load ptr, ptr %local2.var, align 8, !dbg !201
// CHECK:STDOUT: call void @_Cfirst_function.Main.ee57965601b4d646(ptr %.loc54), !dbg !202
// CHECK:STDOUT: call void @"_CSelfDestruct.28258e58291017cc:core.Destroy.Core"(ptr %local2.var), !dbg !197
// CHECK:STDOUT: call void @"_CSelfDestruct.a247f3a5f241fa11:core.Destroy.Core"(ptr %local1.var), !dbg !195
// CHECK:STDOUT: ret void, !dbg !203
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @_Cfirst_function.Main.ee57965601b4d646(ptr %arg) #0 !dbg !243 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %local1.var = alloca ptr, align 8, !dbg !246
// CHECK:STDOUT: %local2.var = alloca ptr, align 8, !dbg !248
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %local1.var), !dbg !246
// CHECK:STDOUT: store ptr poison, ptr %local1.var, align 8, !dbg !246
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %local2.var), !dbg !248
// CHECK:STDOUT: store ptr poison, ptr %local2.var, align 8, !dbg !248
// CHECK:STDOUT: %.loc61_19 = load ptr, ptr %local2.var, align 8, !dbg !250
// CHECK:STDOUT: %.loc61_27 = load ptr, ptr %local1.var, align 8, !dbg !251
// CHECK:STDOUT: call void @_Csecond_function.Main.efd9fcdf727c9de5(ptr %.loc61_19, ptr %.loc61_27, ptr %arg), !dbg !253
// CHECK:STDOUT: call void @"_CSelfDestruct.22bdc7946a052e71:core.Destroy.Core"(ptr %local2.var), !dbg !248
// CHECK:STDOUT: call void @"_CSelfDestruct.680a5c6f7a3d0796:core.Destroy.Core"(ptr %local1.var), !dbg !246
// CHECK:STDOUT: ret void, !dbg !254
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @_Csecond_function.Main.efd9fcdf727c9de5(ptr %arg1, ptr %arg2, ptr %arg3) #0 !dbg !269 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %local1.var = alloca ptr, align 8, !dbg !276
// CHECK:STDOUT: %local2.var = alloca ptr, align 8, !dbg !278
// CHECK:STDOUT: %local3.var = alloca ptr, align 8, !dbg !280
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %local1.var), !dbg !276
// CHECK:STDOUT: store ptr poison, ptr %local1.var, align 8, !dbg !276
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %local2.var), !dbg !278
// CHECK:STDOUT: store ptr poison, ptr %local2.var, align 8, !dbg !278
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %local3.var), !dbg !280
// CHECK:STDOUT: store ptr poison, ptr %local3.var, align 8, !dbg !280
// CHECK:STDOUT: %.loc75_25 = load ptr, ptr %local3.var, align 8, !dbg !283
// CHECK:STDOUT: %.loc75_33 = load ptr, ptr %local2.var, align 8, !dbg !284
// CHECK:STDOUT: call void @_Csecond_function.Main.efd9fcdf727c9de5(ptr %arg3, ptr %.loc75_25, ptr %.loc75_33), !dbg !285
// CHECK:STDOUT: %.loc76 = load ptr, ptr %local1.var, align 8, !dbg !286
// CHECK:STDOUT: call void @_Cthird_function.Main.1c39a3b349bf66b6(ptr %.loc76, ptr %arg3, ptr %arg1), !dbg !289
// CHECK:STDOUT: call void @"_CSelfDestruct.73ffa1ae01557cf1:core.Destroy.Core"(ptr %local3.var), !dbg !280
// CHECK:STDOUT: call void @"_CSelfDestruct.680a5c6f7a3d0796:core.Destroy.Core"(ptr %local2.var), !dbg !278
// CHECK:STDOUT: call void @"_CSelfDestruct.22bdc7946a052e71:core.Destroy.Core"(ptr %local1.var), !dbg !276
// CHECK:STDOUT: ret void, !dbg !290
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @_Cthird_function.Main.1c39a3b349bf66b6(ptr %arg1, ptr %arg2, ptr %arg3) #0 !dbg !338 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %local1.var = alloca ptr, align 8, !dbg !345
// CHECK:STDOUT: %local2.var = alloca ptr, align 8, !dbg !347
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %local1.var), !dbg !345
// CHECK:STDOUT: store ptr poison, ptr %local1.var, align 8, !dbg !345
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %local2.var), !dbg !347
// CHECK:STDOUT: store ptr poison, ptr %local2.var, align 8, !dbg !347
// CHECK:STDOUT: %.loc39 = load ptr, ptr %local2.var, align 8, !dbg !351
// CHECK:STDOUT: call void @_Cthird_function.Main.1c39a3b349bf66b6(ptr %arg1, ptr %arg2, ptr %.loc39), !dbg !352
// CHECK:STDOUT: %.loc40 = load ptr, ptr %local1.var, align 8, !dbg !353
// CHECK:STDOUT: call void @_Cfourth_function.Main.4da09b2222fc2513(ptr %.loc40), !dbg !354
// CHECK:STDOUT: call void @"_CSelfDestruct.73ffa1ae01557cf1:core.Destroy.Core"(ptr %local2.var), !dbg !347
// CHECK:STDOUT: call void @"_CSelfDestruct.73ffa1ae01557cf1:core.Destroy.Core"(ptr %local1.var), !dbg !345
// CHECK:STDOUT: ret void, !dbg !355
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; uselistorder directives
// CHECK:STDOUT: uselistorder ptr @_Cfirst_function.Main.ee57965601b4d646, { 1, 2, 0 }
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nounwind }
// CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT:
// CHECK:STDOUT: !llvm.dbg.cu = !{!15}
// CHECK:STDOUT: !llvm.module.flags = !{!2, !3}
// CHECK:STDOUT:
// CHECK:STDOUT: !2 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !3 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !14 = !DIFile(filename: "self_canonical.carbon", directory: "")
// CHECK:STDOUT: !15 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !14, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !16 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK:STDOUT: !17 = !{null, !16}
// CHECK:STDOUT: !18 = !DISubroutineType(types: !17)
// CHECK:STDOUT: !19 = !{null}
// CHECK:STDOUT: !20 = !DISubroutineType(types: !19)
// CHECK:STDOUT: !21 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.73ffa1ae01557cf1:core.Destroy.Core", scope: null, file: !14, line: 37, type: !18, spFlags: DISPFlagDefinition, unit: !15, retainedNodes: !24)
// CHECK:STDOUT: !22 = !DILocalVariable(arg: 1, scope: !21, type: !16)
// CHECK:STDOUT: !23 = !DILocation(line: 37, column: 3, scope: !21)
// CHECK:STDOUT: !24 = !{!22}
// CHECK:STDOUT: !25 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.28258e58291017cc:core.Destroy.Core", scope: null, file: !14, line: 44, type: !18, spFlags: DISPFlagDefinition, unit: !15, retainedNodes: !28)
// CHECK:STDOUT: !26 = !DILocalVariable(arg: 1, scope: !25, type: !16)
// CHECK:STDOUT: !27 = !DILocation(line: 44, column: 3, scope: !25)
// CHECK:STDOUT: !28 = !{!26}
// CHECK:STDOUT: !29 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.a247f3a5f241fa11:core.Destroy.Core", scope: null, file: !14, line: 50, type: !18, spFlags: DISPFlagDefinition, unit: !15, retainedNodes: !32)
// CHECK:STDOUT: !30 = !DILocalVariable(arg: 1, scope: !29, type: !16)
// CHECK:STDOUT: !31 = !DILocation(line: 50, column: 3, scope: !29)
// CHECK:STDOUT: !32 = !{!30}
// CHECK:STDOUT: !33 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.22bdc7946a052e71:core.Destroy.Core", scope: null, file: !14, line: 59, type: !18, spFlags: DISPFlagDefinition, unit: !15, retainedNodes: !36)
// CHECK:STDOUT: !34 = !DILocalVariable(arg: 1, scope: !33, type: !16)
// CHECK:STDOUT: !35 = !DILocation(line: 59, column: 3, scope: !33)
// CHECK:STDOUT: !36 = !{!34}
// CHECK:STDOUT: !37 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.680a5c6f7a3d0796:core.Destroy.Core", scope: null, file: !14, line: 58, type: !18, spFlags: DISPFlagDefinition, unit: !15, retainedNodes: !40)
// CHECK:STDOUT: !38 = !DILocalVariable(arg: 1, scope: !37, type: !16)
// CHECK:STDOUT: !39 = !DILocation(line: 58, column: 3, scope: !37)
// CHECK:STDOUT: !40 = !{!38}
// CHECK:STDOUT: !41 = distinct !DISubprogram(name: "Main_method_no_template", linkageName: "_CMain_method_no_template.Main", scope: null, file: !14, line: 79, type: !20, spFlags: DISPFlagDefinition, unit: !15)
// CHECK:STDOUT: !42 = !DILocation(line: 80, column: 3, scope: !41)
// CHECK:STDOUT: !44 = !DILocation(line: 82, column: 18, scope: !41)
// CHECK:STDOUT: !45 = !DILocation(line: 82, column: 3, scope: !41)
// CHECK:STDOUT: !46 = !DILocation(line: 79, column: 1, scope: !41)
// CHECK:STDOUT: !47 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.a79cf9479d679a84:core.Destroy.Core", scope: null, file: !14, line: 80, type: !18, spFlags: DISPFlagDefinition, unit: !15, retainedNodes: !50)
// CHECK:STDOUT: !48 = !DILocalVariable(arg: 1, scope: !47, type: !16)
// CHECK:STDOUT: !49 = !DILocation(line: 80, column: 3, scope: !47)
// CHECK:STDOUT: !50 = !{!48}
// CHECK:STDOUT: !62 = !{null, !16, !16, !16}
// CHECK:STDOUT: !63 = !DISubroutineType(types: !62)
// CHECK:STDOUT: !192 = distinct !DISubprogram(name: "fourth_function", linkageName: "_Cfourth_function.Main.4da09b2222fc2513", scope: null, file: !14, line: 49, type: !18, spFlags: DISPFlagDefinition, unit: !15, retainedNodes: !204)
// CHECK:STDOUT: !193 = !DILocalVariable(arg: 1, scope: !192, type: !16)
// CHECK:STDOUT: !195 = !DILocation(line: 50, column: 3, scope: !192)
// CHECK:STDOUT: !197 = !DILocation(line: 51, column: 3, scope: !192)
// CHECK:STDOUT: !199 = !DILocation(line: 53, column: 18, scope: !192)
// CHECK:STDOUT: !200 = !DILocation(line: 53, column: 3, scope: !192)
// CHECK:STDOUT: !201 = !DILocation(line: 54, column: 18, scope: !192)
// CHECK:STDOUT: !202 = !DILocation(line: 54, column: 3, scope: !192)
// CHECK:STDOUT: !203 = !DILocation(line: 49, column: 1, scope: !192)
// CHECK:STDOUT: !204 = !{!193}
// CHECK:STDOUT: !243 = distinct !DISubprogram(name: "first_function", linkageName: "_Cfirst_function.Main.ee57965601b4d646", scope: null, file: !14, line: 57, type: !18, spFlags: DISPFlagDefinition, unit: !15, retainedNodes: !255)
// CHECK:STDOUT: !244 = !DILocalVariable(arg: 1, scope: !243, type: !16)
// CHECK:STDOUT: !246 = !DILocation(line: 58, column: 3, scope: !243)
// CHECK:STDOUT: !248 = !DILocation(line: 59, column: 3, scope: !243)
// CHECK:STDOUT: !250 = !DILocation(line: 61, column: 19, scope: !243)
// CHECK:STDOUT: !251 = !DILocation(line: 61, column: 27, scope: !243)
// CHECK:STDOUT: !253 = !DILocation(line: 61, column: 3, scope: !243)
// CHECK:STDOUT: !254 = !DILocation(line: 57, column: 1, scope: !243)
// CHECK:STDOUT: !255 = !{!244}
// CHECK:STDOUT: !269 = distinct !DISubprogram(name: "second_function", linkageName: "_Csecond_function.Main.efd9fcdf727c9de5", scope: null, file: !14, line: 70, type: !63, spFlags: DISPFlagDefinition, unit: !15, retainedNodes: !291)
// CHECK:STDOUT: !270 = !DILocalVariable(arg: 1, scope: !269, type: !16)
// CHECK:STDOUT: !271 = !DILocalVariable(arg: 2, scope: !269, type: !16)
// CHECK:STDOUT: !272 = !DILocalVariable(arg: 3, scope: !269, type: !16)
// CHECK:STDOUT: !276 = !DILocation(line: 71, column: 3, scope: !269)
// CHECK:STDOUT: !278 = !DILocation(line: 72, column: 3, scope: !269)
// CHECK:STDOUT: !280 = !DILocation(line: 73, column: 3, scope: !269)
// CHECK:STDOUT: !283 = !DILocation(line: 75, column: 25, scope: !269)
// CHECK:STDOUT: !284 = !DILocation(line: 75, column: 33, scope: !269)
// CHECK:STDOUT: !285 = !DILocation(line: 75, column: 3, scope: !269)
// CHECK:STDOUT: !286 = !DILocation(line: 76, column: 18, scope: !269)
// CHECK:STDOUT: !289 = !DILocation(line: 76, column: 3, scope: !269)
// CHECK:STDOUT: !290 = !DILocation(line: 70, column: 1, scope: !269)
// CHECK:STDOUT: !291 = !{!270, !271, !272}
// CHECK:STDOUT: !338 = distinct !DISubprogram(name: "third_function", linkageName: "_Cthird_function.Main.1c39a3b349bf66b6", scope: null, file: !14, line: 35, type: !63, spFlags: DISPFlagDefinition, unit: !15, retainedNodes: !356)
// CHECK:STDOUT: !339 = !DILocalVariable(arg: 1, scope: !338, type: !16)
// CHECK:STDOUT: !340 = !DILocalVariable(arg: 2, scope: !338, type: !16)
// CHECK:STDOUT: !341 = !DILocalVariable(arg: 3, scope: !338, type: !16)
// CHECK:STDOUT: !345 = !DILocation(line: 36, column: 3, scope: !338)
// CHECK:STDOUT: !347 = !DILocation(line: 37, column: 3, scope: !338)
// CHECK:STDOUT: !351 = !DILocation(line: 39, column: 30, scope: !338)
// CHECK:STDOUT: !352 = !DILocation(line: 39, column: 3, scope: !338)
// CHECK:STDOUT: !353 = !DILocation(line: 40, column: 19, scope: !338)
// CHECK:STDOUT: !354 = !DILocation(line: 40, column: 3, scope: !338)
// CHECK:STDOUT: !355 = !DILocation(line: 35, column: 1, scope: !338)
// CHECK:STDOUT: !356 = !{!339, !340, !341}
// CHECK:STDOUT:
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