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Allow conversions between all pointer types with unsafe as. (#6635)

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Previously we only allowed conversions from `void*` to `U*` this way,
requiring casting via `void*` to get from `T*` to `U*`. That seems like
an unnecessary circumlocution.
This commit is contained in:
Richard Smith
2026-01-21 15:47:51 +00:00
committed by GitHub
parent a448792207
commit 8353965ca3
10 changed files with 86 additions and 40 deletions
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toolchain/lower/testdata/array/iterate.carbon
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+2 -2
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@@ -273,10 +273,10 @@ fn F() {
// CHECK:STDOUT: !93 = distinct !DISubprogram(name: "None", linkageName: "_CNone.3e8267224c5dc9c2:OptionalStorage.Core.329e9a7481f16207", scope: null, file: !37, line: 110, type: !65, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !94 = !DILocation(line: 112, column: 5, scope: !93)
// CHECK:STDOUT: !95 = !DILocation(line: 113, column: 5, scope: !93)
// CHECK:STDOUT: !96 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.1e58d10da180d7d9:ImplicitAs.39e2e54f50ee65cc.Core.255ef555a3d2f793", scope: null, file: !97, line: 32, type: !98, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !100)
// CHECK:STDOUT: !96 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.1e58d10da180d7d9:ImplicitAs.39e2e54f50ee65cc.Core.255ef555a3d2f793", scope: null, file: !97, line: 35, type: !98, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !100)
// CHECK:STDOUT: !97 = !DIFile(filename: "{{.*}}/prelude/operators/as.carbon", directory: "")
// CHECK:STDOUT: !98 = !DISubroutineType(types: !99)
// CHECK:STDOUT: !99 = !{!16, !16}
// CHECK:STDOUT: !100 = !{!101}
// CHECK:STDOUT: !101 = !DILocalVariable(arg: 1, scope: !96, type: !16)
// CHECK:STDOUT: !102 = !DILocation(line: 32, column: 38, scope: !96)
// CHECK:STDOUT: !102 = !DILocation(line: 35, column: 38, scope: !96)