mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-05 22:02:55 +01:00
Classify classes with no struct fields as trivially destructible (#7846)
This commit is contained in:
Christopher Di Bella
+42
-86
@@ -74,69 +74,41 @@ fn G() {
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.dc14d4dd21801791:core.Destroy.Core"(ptr %self) #0 !dbg !65 {
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.dc14d4dd21801791:core.Destroy.Core"(ptr %self) #0 !dbg !65 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !67
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.dc14d4dd21801791:core.Destroy.Core"(ptr %self) #0 !dbg !69 {
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.6dae29ece9a708c4:core.Destroy.Core"(ptr %self) #0 !dbg !69 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: call void @"_CSubobjectDestroy.dc14d4dd21801791:core.Destroy.Core"(ptr %self), !dbg !71
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// CHECK:STDOUT: ret void, !dbg !71
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.6dae29ece9a708c4:core.Destroy.Core"(ptr %self) #0 !dbg !73 {
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !73 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !75
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !77 {
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.cb8adced19392b99:core.Destroy.Core"(ptr %self) #0 !dbg !77 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !79
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.f58524831c37807e:core.Destroy.Core"(ptr %self) #0 !dbg !81 {
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.a50fd899f969e609:core.Destroy.Core"(ptr %self) #0 !dbg !81 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: call void @"_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core"(ptr %self), !dbg !83
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// CHECK:STDOUT: ret void, !dbg !83
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.cb8adced19392b99:core.Destroy.Core"(ptr %self) #0 !dbg !85 {
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.08d9e38b928ba575:core.Destroy.Core"(ptr %self) #0 !dbg !85 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !87
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.a50fd899f969e609:core.Destroy.Core"(ptr %self) #0 !dbg !89 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !91
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.a50fd899f969e609:core.Destroy.Core"(ptr %self) #0 !dbg !93 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: call void @"_CSubobjectDestroy.a50fd899f969e609:core.Destroy.Core"(ptr %self), !dbg !95
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// CHECK:STDOUT: ret void, !dbg !95
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_CSubobjectDestroy.08d9e38b928ba575:core.Destroy.Core"(ptr %self) #0 !dbg !97 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !99
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.08d9e38b928ba575:core.Destroy.Core"(ptr %self) #0 !dbg !101 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: call void @"_CSubobjectDestroy.08d9e38b928ba575:core.Destroy.Core"(ptr %self), !dbg !103
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// CHECK:STDOUT: ret void, !dbg !103
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
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// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
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// CHECK:STDOUT:
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@@ -144,27 +116,27 @@ fn G() {
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// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define linkonce_odr void @_CF.Main.9522ff908e97e267(ptr %_) #0 !dbg !105 {
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// CHECK:STDOUT: define linkonce_odr void @_CF.Main.9522ff908e97e267(ptr %_) #0 !dbg !89 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !108
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// CHECK:STDOUT: ret void, !dbg !92
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define linkonce_odr void @_CF.Main.84588f41d61dafba(i32 %_) #0 !dbg !115 {
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// CHECK:STDOUT: define linkonce_odr void @_CF.Main.84588f41d61dafba(i32 %_) #0 !dbg !99 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !118
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// CHECK:STDOUT: ret void, !dbg !102
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define linkonce_odr void @_CF.Main.073fbce68be6103e(double %_) #0 !dbg !120 {
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// CHECK:STDOUT: define linkonce_odr void @_CF.Main.073fbce68be6103e(double %_) #0 !dbg !104 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !123
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// CHECK:STDOUT: ret void, !dbg !107
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define linkonce_odr void @_CF.Main.99ea8cc237f84c8d(%type.26 %_) #0 !dbg !125 {
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// CHECK:STDOUT: define linkonce_odr void @_CF.Main.99ea8cc237f84c8d(%type.26 %_) #0 !dbg !109 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !128
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// CHECK:STDOUT: ret void, !dbg !112
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; uselistorder directives
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@@ -207,60 +179,44 @@ fn G() {
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// CHECK:STDOUT: !62 = !DILocalVariable(arg: 1, scope: !61, type: !37)
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// CHECK:STDOUT: !63 = !DILocation(line: 23, column: 3, scope: !61)
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// CHECK:STDOUT: !64 = !{!62}
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// CHECK:STDOUT: !65 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.dc14d4dd21801791:core.Destroy.Core", scope: null, file: !32, line: 23, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !68)
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// CHECK:STDOUT: !65 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.dc14d4dd21801791:core.Destroy.Core", scope: null, file: !32, line: 23, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !68)
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// CHECK:STDOUT: !66 = !DILocalVariable(arg: 1, scope: !65, type: !37)
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// CHECK:STDOUT: !67 = !DILocation(line: 23, column: 3, scope: !65)
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// CHECK:STDOUT: !68 = !{!66}
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// CHECK:STDOUT: !69 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.dc14d4dd21801791:core.Destroy.Core", scope: null, file: !32, line: 23, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !72)
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// CHECK:STDOUT: !70 = !DILocalVariable(arg: 1, scope: !69, type: !37)
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// CHECK:STDOUT: !71 = !DILocation(line: 23, column: 3, scope: !69)
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// CHECK:STDOUT: !69 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.6dae29ece9a708c4:core.Destroy.Core", scope: null, file: !32, line: 22, type: !41, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !72)
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// CHECK:STDOUT: !70 = !DILocalVariable(arg: 1, scope: !69, type: !34)
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// CHECK:STDOUT: !71 = !DILocation(line: 22, column: 3, scope: !69)
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// CHECK:STDOUT: !72 = !{!70}
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// CHECK:STDOUT: !73 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.6dae29ece9a708c4:core.Destroy.Core", scope: null, file: !32, line: 22, type: !41, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !76)
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// CHECK:STDOUT: !73 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.f58524831c37807e:core.Destroy.Core", scope: null, file: !32, line: 22, type: !41, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !76)
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// CHECK:STDOUT: !74 = !DILocalVariable(arg: 1, scope: !73, type: !34)
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// CHECK:STDOUT: !75 = !DILocation(line: 22, column: 3, scope: !73)
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// CHECK:STDOUT: !76 = !{!74}
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// CHECK:STDOUT: !77 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.f58524831c37807e:core.Destroy.Core", scope: null, file: !32, line: 22, type: !41, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !80)
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// CHECK:STDOUT: !78 = !DILocalVariable(arg: 1, scope: !77, type: !34)
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// CHECK:STDOUT: !79 = !DILocation(line: 22, column: 3, scope: !77)
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// CHECK:STDOUT: !77 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.cb8adced19392b99:core.Destroy.Core", scope: null, file: !32, line: 21, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !80)
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// CHECK:STDOUT: !78 = !DILocalVariable(arg: 1, scope: !77, type: !37)
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// CHECK:STDOUT: !79 = !DILocation(line: 21, column: 3, scope: !77)
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// CHECK:STDOUT: !80 = !{!78}
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// CHECK:STDOUT: !81 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.f58524831c37807e:core.Destroy.Core", scope: null, file: !32, line: 22, type: !41, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !84)
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// CHECK:STDOUT: !82 = !DILocalVariable(arg: 1, scope: !81, type: !34)
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// CHECK:STDOUT: !83 = !DILocation(line: 22, column: 3, scope: !81)
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// CHECK:STDOUT: !81 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.a50fd899f969e609:core.Destroy.Core", scope: null, file: !32, line: 21, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !84)
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// CHECK:STDOUT: !82 = !DILocalVariable(arg: 1, scope: !81, type: !37)
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// CHECK:STDOUT: !83 = !DILocation(line: 21, column: 3, scope: !81)
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// CHECK:STDOUT: !84 = !{!82}
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// CHECK:STDOUT: !85 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.cb8adced19392b99:core.Destroy.Core", scope: null, file: !32, line: 21, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !88)
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// CHECK:STDOUT: !85 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.08d9e38b928ba575:core.Destroy.Core", scope: null, file: !32, line: 20, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !88)
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// CHECK:STDOUT: !86 = !DILocalVariable(arg: 1, scope: !85, type: !37)
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// CHECK:STDOUT: !87 = !DILocation(line: 21, column: 3, scope: !85)
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// CHECK:STDOUT: !87 = !DILocation(line: 20, column: 3, scope: !85)
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// CHECK:STDOUT: !88 = !{!86}
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// CHECK:STDOUT: !89 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.a50fd899f969e609:core.Destroy.Core", scope: null, file: !32, line: 21, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !92)
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// CHECK:STDOUT: !89 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.9522ff908e97e267", scope: null, file: !32, line: 13, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !93)
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// CHECK:STDOUT: !90 = !DILocalVariable(arg: 1, scope: !89, type: !37)
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// CHECK:STDOUT: !91 = !DILocation(line: 21, column: 3, scope: !89)
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// CHECK:STDOUT: !92 = !{!90}
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// CHECK:STDOUT: !93 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.a50fd899f969e609:core.Destroy.Core", scope: null, file: !32, line: 21, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !96)
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// CHECK:STDOUT: !94 = !DILocalVariable(arg: 1, scope: !93, type: !37)
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// CHECK:STDOUT: !95 = !DILocation(line: 21, column: 3, scope: !93)
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// CHECK:STDOUT: !96 = !{!94}
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// CHECK:STDOUT: !97 = distinct !DISubprogram(name: "SubobjectDestroy", linkageName: "_CSubobjectDestroy.08d9e38b928ba575:core.Destroy.Core", scope: null, file: !32, line: 20, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !100)
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// CHECK:STDOUT: !98 = !DILocalVariable(arg: 1, scope: !97, type: !37)
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// CHECK:STDOUT: !99 = !DILocation(line: 20, column: 3, scope: !97)
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// CHECK:STDOUT: !100 = !{!98}
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// CHECK:STDOUT: !101 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.08d9e38b928ba575:core.Destroy.Core", scope: null, file: !32, line: 20, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !104)
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// CHECK:STDOUT: !102 = !DILocalVariable(arg: 1, scope: !101, type: !37)
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// CHECK:STDOUT: !103 = !DILocation(line: 20, column: 3, scope: !101)
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// CHECK:STDOUT: !104 = !{!102}
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// CHECK:STDOUT: !105 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.9522ff908e97e267", scope: null, file: !32, line: 13, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !109)
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// CHECK:STDOUT: !106 = !DILocalVariable(arg: 1, scope: !105, type: !37)
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// CHECK:STDOUT: !108 = !DILocation(line: 13, column: 1, scope: !105)
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// CHECK:STDOUT: !109 = !{!106}
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// CHECK:STDOUT: !115 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.84588f41d61dafba", scope: null, file: !32, line: 13, type: !41, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !119)
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// CHECK:STDOUT: !116 = !DILocalVariable(arg: 1, scope: !115, type: !34)
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// CHECK:STDOUT: !118 = !DILocation(line: 13, column: 1, scope: !115)
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// CHECK:STDOUT: !119 = !{!116}
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// CHECK:STDOUT: !120 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.073fbce68be6103e", scope: null, file: !32, line: 13, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !124)
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// CHECK:STDOUT: !121 = !DILocalVariable(arg: 1, scope: !120, type: !37)
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// CHECK:STDOUT: !123 = !DILocation(line: 13, column: 1, scope: !120)
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// CHECK:STDOUT: !124 = !{!121}
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// CHECK:STDOUT: !125 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.99ea8cc237f84c8d", scope: null, file: !32, line: 13, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !129)
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// CHECK:STDOUT: !126 = !DILocalVariable(arg: 1, scope: !125, type: !37)
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// CHECK:STDOUT: !128 = !DILocation(line: 13, column: 1, scope: !125)
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// CHECK:STDOUT: !129 = !{!126}
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// CHECK:STDOUT: !92 = !DILocation(line: 13, column: 1, scope: !89)
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// CHECK:STDOUT: !93 = !{!90}
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// CHECK:STDOUT: !99 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.84588f41d61dafba", scope: null, file: !32, line: 13, type: !41, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !103)
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// CHECK:STDOUT: !100 = !DILocalVariable(arg: 1, scope: !99, type: !34)
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// CHECK:STDOUT: !102 = !DILocation(line: 13, column: 1, scope: !99)
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// CHECK:STDOUT: !103 = !{!100}
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// CHECK:STDOUT: !104 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.073fbce68be6103e", scope: null, file: !32, line: 13, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !108)
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// CHECK:STDOUT: !105 = !DILocalVariable(arg: 1, scope: !104, type: !37)
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// CHECK:STDOUT: !107 = !DILocation(line: 13, column: 1, scope: !104)
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// CHECK:STDOUT: !108 = !{!105}
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// CHECK:STDOUT: !109 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.99ea8cc237f84c8d", scope: null, file: !32, line: 13, type: !39, spFlags: DISPFlagDefinition, unit: !33, retainedNodes: !113)
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// CHECK:STDOUT: !110 = !DILocalVariable(arg: 1, scope: !109, type: !37)
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// CHECK:STDOUT: !112 = !DILocation(line: 13, column: 1, scope: !109)
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// CHECK:STDOUT: !113 = !{!110}
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// CHECK:STDOUT:
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