[clang] [llvm] [OpenACC] Switch Clang to use the Flang 'appertainment' rules for cla… (PR #135372)

Fri Apr 18 15:27:02 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-remote-linux-win` running on `as-builder-10` while building `clang,llvm` at step 13 "build-lldb-server-aarch64-lldb".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/197/builds/4212

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

```
Step 13 (build-lldb-server-aarch64-lldb) failure: cmake (failure)
...
289.427 [955/130/1849] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/StmtProfile.cpp.o
289.738 [954/130/1850] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/ODRDiagsEmitter.cpp.o
289.753 [953/130/1851] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseStmt.cpp.o
290.569 [952/130/1852] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseExpr.cpp.o
290.819 [951/130/1853] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/DelayedDiagnostic.cpp.o
291.226 [950/130/1854] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/OpenMPClause.cpp.o
291.553 [949/130/1855] Building CXX object lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilderPipelines.cpp.o
292.202 [948/130/1856] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseDeclCXX.cpp.o
292.505 [947/130/1857] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/ScopeInfo.cpp.o
293.231 [946/130/1858] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenACCClauseAppertainment.cpp.o
FAILED: tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenACCClauseAppertainment.cpp.o 
ccache c:\buildbot\as-builder-10\lldb-x-aarch64\build\bin\clang++.exe -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 -IC:/buildbot/as-builder-10/lldb-x-aarch64/build-lldb-server/tools/clang/lib/Sema -IC:/buildbot/as-builder-10/lldb-x-aarch64/llvm-project/clang/lib/Sema -IC:/buildbot/as-builder-10/lldb-x-aarch64/llvm-project/clang/include -IC:/buildbot/as-builder-10/lldb-x-aarch64/build-lldb-server/tools/clang/include -IC:/buildbot/as-builder-10/lldb-x-aarch64/build-lldb-server/include -IC:/buildbot/as-builder-10/lldb-x-aarch64/llvm-project/llvm/include -mcpu=cortex-a78 -D__OPTIMIZE__ -fPIC --stdlib=libc++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -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  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++17 -MD -MT tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenACCClauseAppertainment.cpp.o -MF tools\clang\lib\Sema\CMakeFiles\obj.clangSema.dir\SemaOpenACCClauseAppertainment.cpp.o.d -o tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenACCClauseAppertainment.cpp.o -c C:/buildbot/as-builder-10/lldb-x-aarch64/llvm-project/clang/lib/Sema/SemaOpenACCClauseAppertainment.cpp
C:/buildbot/as-builder-10/lldb-x-aarch64/llvm-project/clang/lib/Sema/SemaOpenACCClauseAppertainment.cpp:73:10: fatal error: 'llvm/Frontend/OpenACC/ACC.inc' file not found

   73 | #include "llvm/Frontend/OpenACC/ACC.inc"

      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

1 error generated.

293.270 [946/129/1859] Building CXX object tools/clang/lib/ASTMatchers/CMakeFiles/obj.clangASTMatchers.dir/GtestMatchers.cpp.o
293.336 [946/128/1860] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/MultiplexExternalSemaSource.cpp.o
293.342 [946/127/1861] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParsePragma.cpp.o
294.049 [946/126/1862] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/ByteCode/InterpBuiltin.cpp.o
294.510 [946/125/1863] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/TypePrinter.cpp.o
295.732 [946/124/1864] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseOpenMP.cpp.o
295.881 [946/123/1865] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/HLSLBuiltinTypeDeclBuilder.cpp.o
296.277 [946/122/1866] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaAVR.cpp.o
296.347 [946/121/1867] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/CodeCompleteConsumer.cpp.o
296.431 [946/120/1868] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/CheckExprLifetime.cpp.o
296.906 [946/119/1869] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/DeclSpec.cpp.o
297.029 [946/118/1870] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/HLSLExternalSemaSource.cpp.o
297.694 [946/117/1871] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/RecordLayoutBuilder.cpp.o
297.812 [946/116/1872] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaBPF.cpp.o
297.947 [946/115/1873] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/Stmt.cpp.o
298.568 [946/114/1874] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/Type.cpp.o
299.156 [946/113/1875] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/StmtPrinter.cpp.o
299.372 [946/112/1876] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaM68k.cpp.o
299.559 [946/111/1877] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaAMDGPU.cpp.o
300.404 [946/110/1878] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/ABIInfoImpl.cpp.o
300.650 [946/109/1879] Building CXX object tools/clang/lib/ASTMatchers/CMakeFiles/obj.clangASTMatchers.dir/ASTMatchersInternal.cpp.o
301.510 [946/108/1880] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/Expr.cpp.o
301.553 [946/107/1881] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaBoundsSafety.cpp.o
301.964 [946/106/1882] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaMSP430.cpp.o
301.969 [946/105/1883] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDirectX.cpp.o
302.029 [946/104/1884] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseDecl.cpp.o
302.053 [946/103/1885] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaBase.cpp.o
302.127 [946/102/1886] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/JSONNodeDumper.cpp.o
302.221 [946/101/1887] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/ABIInfo.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/135372