[clang] [flang] [llvm] [CLANG][OpenMP] Add support for OpenMP6.0 transparent clause. (PR #174646)

Thu Jan 15 07:00:10 PST 2026

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-m68k-linux-cross` running on `suse-gary-m68k-cross` while building `clang,llvm` at step 4 "build stage 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/27/builds/21584

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

```
Step 4 (build stage 1) failure: 'ninja' (failure)
...
[305/1517] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOverload.cpp.o
[306/1517] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseExpr.cpp.o
[307/1517] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclCXX.cpp.o
[308/1517] Building CXX object tools/clang/lib/Serialization/CMakeFiles/obj.clangSerialization.dir/TemplateArgumentHasher.cpp.o
[309/1517] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseOpenMP.cpp.o
[310/1517] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseDecl.cpp.o
[311/1517] Building CXX object tools/clang/lib/Serialization/CMakeFiles/obj.clangSerialization.dir/GeneratePCH.cpp.o
[312/1517] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseTentative.cpp.o
[313/1517] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/Parser.cpp.o
[314/1517] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenMP.cpp.o
FAILED: tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenMP.cpp.o 
/usr/bin/c++ -DCLANG_EXPORTS -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/lib/Sema -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/include -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/include -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/include -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-class-memaccess -Wno-dangling-reference -Wno-redundant-move -Wno-pessimizing-move -Wno-array-bounds -Wno-stringop-overread -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -O3 -DNDEBUG -std=c++17 -UNDEBUG -fno-exceptions -funwind-tables -fno-rtti -MD -MT tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenMP.cpp.o -MF tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenMP.cpp.o.d -o tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenMP.cpp.o -c /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema/SemaOpenMP.cpp
In file included from /usr/include/c++/14/cassert:44,
                 from /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/include/llvm/ADT/PointerEmbeddedInt.h:15,
                 from /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema/SemaOpenMP.cpp:41:
/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema/SemaOpenMP.cpp: In member function ‘clang::OMPClause* clang::SemaOpenMP::ActOnOpenMPUseDeviceAddrClause(llvm::ArrayRef<clang::Expr*>, const clang::OMPVarListLocTy&)’:
/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema/SemaOpenMP.cpp:24812:27: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses]
24812 |            CurDeclaration &&
      |            ~~~~~~~~~~~~~~~^~
24813 |                "Unexpected null decl for use_device_addr clause.");
      |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
c++: fatal error: Killed signal terminated program cc1plus
compilation terminated.
[315/1517] Building CXX object tools/clang/lib/Frontend/CMakeFiles/obj.clangFrontend.dir/ASTMerge.cpp.o
[316/1517] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseOpenACC.cpp.o
[317/1517] Building CXX object tools/clang/lib/Serialization/CMakeFiles/obj.clangSerialization.dir/ASTWriterStmt.cpp.o
[318/1517] Building CXX object tools/clang/lib/Frontend/CMakeFiles/obj.clangFrontend.dir/DependencyFile.cpp.o
[319/1517] Building CXX object tools/clang/lib/Frontend/CMakeFiles/obj.clangFrontend.dir/ModuleDependencyCollector.cpp.o
[320/1517] Building CXX object tools/clang/lib/Frontend/CMakeFiles/obj.clangFrontend.dir/TestModuleFileExtension.cpp.o
[321/1517] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaSYCL.cpp.o
[322/1517] Building CXX object tools/clang/lib/Serialization/CMakeFiles/obj.clangSerialization.dir/ASTWriterDecl.cpp.o
[323/1517] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDecl.cpp.o
[324/1517] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaTemplateDeductionGuide.cpp.o
[325/1517] Building CXX object tools/clang/lib/Serialization/CMakeFiles/obj.clangSerialization.dir/ASTReaderStmt.cpp.o
[326/1517] Building CXX object tools/clang/lib/Frontend/CMakeFiles/obj.clangFrontend.dir/ChainedIncludesSource.cpp.o
[327/1517] Building CXX object tools/clang/lib/Frontend/CMakeFiles/obj.clangFrontend.dir/InitPreprocessor.cpp.o
[328/1517] Building CXX object tools/clang/lib/Frontend/CMakeFiles/obj.clangFrontend.dir/FrontendAction.cpp.o
[329/1517] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaTemplateInstantiateDecl.cpp.o
[330/1517] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaTemplate.cpp.o
In file included from /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema/TreeTransform.h:48,
                 from /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema/SemaTemplate.cpp:11:
In constructor ‘clang::LocalInstantiationScope::LocalInstantiationScope(clang::Sema&, bool, bool)’,
    inlined from ‘bool clang::Sema::CheckTemplateArgumentList(clang::TemplateDecl*, clang::TemplateParameterList*, clang::SourceLocation, clang::TemplateArgumentListInfo&, const clang::DefaultArguments&, bool, CheckTemplateArgumentInfo&, bool, bool*)’ at /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema/SemaTemplate.cpp:5867:48:
/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/include/clang/Sema/Template.h:444:41: warning: storing the address of local variable ‘InstScope’ in ‘*this.clang::Sema::CurrentInstantiationScope’ [-Wdangling-pointer=]
  444 |       SemaRef.CurrentInstantiationScope = this;
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema/SemaTemplate.cpp: In member function ‘bool clang::Sema::CheckTemplateArgumentList(clang::TemplateDecl*, clang::TemplateParameterList*, clang::SourceLocation, clang::TemplateArgumentListInfo&, const clang::DefaultArguments&, bool, CheckTemplateArgumentInfo&, bool, bool*)’:
/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/Sema/SemaTemplate.cpp:5867:27: note: ‘InstScope’ declared here
 5867 |   LocalInstantiationScope InstScope(*this, true);

```

</details>

https://github.com/llvm/llvm-project/pull/174646