[clang] [HLSL] Implement HLSL intialization list support (PR #123141)

Sat Feb 15 12:23:43 PST 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-ppc64le-rhel` running on `ppc64le-clang-rhel-test` while building `clang` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/145/builds/5160

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 5 (build-unified-tree) failure: build (failure)
...
42.413 [352/192/215] Creating library symlink lib/libclangdSupport.so
43.660 [351/192/216] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/DeclSpec.cpp.o
43.894 [350/192/217] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaSwift.cpp.o
44.019 [349/192/218] Linking CXX shared library lib/libclangdRemoteIndex.so.21.0git
44.041 [348/192/219] Creating library symlink lib/libclangdRemoteIndex.so
44.622 [347/192/220] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaFixItUtils.cpp.o
44.762 [346/192/221] Linking CXX executable bin/amdgpu-arch
44.924 [345/192/222] Linking CXX executable bin/nvptx-arch
45.049 [344/192/223] Linking CXX executable bin/lli-child-target
45.156 [343/192/224] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o
FAILED: tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o 
ccache /home/buildbots/llvm-external-buildbots/clang.19.1.7/bin/clang++ --gcc-toolchain=/gcc-toolchain/usr -DCLANG_EXPORTS -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/tools/clang/lib/Sema -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang/lib/Sema -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/tools/clang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o -MF tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o.d -o tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang/lib/Sema/SemaHLSL.cpp
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang/lib/Sema/SemaHLSL.cpp:3226:17: error: variable 'RTy' set but not used [-Werror,-Wunused-but-set-variable]
 3226 |       if (auto *RTy = Ty->getAs<RecordType>())
      |                 ^
1 error generated.
45.181 [343/191/225] Linking CXX executable bin/llvm-as
45.285 [343/190/226] Building CXX object tools/clang/lib/Serialization/CMakeFiles/obj.clangSerialization.dir/GeneratePCH.cpp.o
46.324 [343/189/227] Building CXX object tools/clang/tools/diagtool/CMakeFiles/diagtool.dir/ListWarnings.cpp.o
46.341 [343/188/228] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaCXXScopeSpec.cpp.o
46.736 [343/187/229] Building CXX object tools/clang/tools/diagtool/CMakeFiles/diagtool.dir/FindDiagnosticID.cpp.o
46.787 [343/186/230] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseAST.cpp.o
46.920 [343/185/231] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/CheckExprLifetime.cpp.o
47.348 [343/184/232] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaAccess.cpp.o
47.932 [343/183/233] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/DeclCXX.cpp.o
48.009 [343/182/234] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/CodeCompleteConsumer.cpp.o
48.579 [343/181/235] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseHLSL.cpp.o
48.750 [343/180/236] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenACC.cpp.o
48.840 [343/179/237] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseInit.cpp.o
48.909 [343/178/238] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExceptionSpec.cpp.o
49.072 [343/177/239] Building CXX object tools/clang/lib/Frontend/CMakeFiles/obj.clangFrontend.dir/ModuleDependencyCollector.cpp.o
49.549 [343/176/240] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/JumpDiagnostics.cpp.o
49.873 [343/175/241] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaTemplateVariadic.cpp.o
49.942 [343/174/242] Building CXX object tools/clang/tools/diagtool/CMakeFiles/diagtool.dir/TreeView.cpp.o
50.046 [343/173/243] Building CXX object tools/clang/tools/diagtool/CMakeFiles/diagtool.dir/DiagnosticNames.cpp.o
50.149 [343/172/244] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseTentative.cpp.o
50.272 [343/171/245] Building CXX object tools/clang/lib/Frontend/CMakeFiles/obj.clangFrontend.dir/DependencyFile.cpp.o
50.652 [343/170/246] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaModule.cpp.o
51.203 [343/169/247] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaPseudoObject.cpp.o
51.413 [343/168/248] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaStmtAttr.cpp.o
51.680 [343/167/249] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaFunctionEffects.cpp.o
52.381 [343/166/250] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaStmtAsm.cpp.o
52.575 [343/165/251] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseCXXInlineMethods.cpp.o
52.735 [343/164/252] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseTemplate.cpp.o
53.417 [343/163/253] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaRISCV.cpp.o
53.876 [343/162/254] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseOpenACC.cpp.o
54.228 [343/161/255] Building CXX object tools/clang/lib/Frontend/CMakeFiles/obj.clangFrontend.dir/InitPreprocessor.cpp.o
54.293 [343/160/256] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaAvailability.cpp.o
54.413 [343/159/257] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaCoroutine.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/123141