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

Fri Apr 18 15:04:53 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clangd-ubuntu-tsan` running on `clangd-ubuntu-clang` while building `clang,llvm` at step 5 "build-clangd-clangd-index-server-clangd-indexer".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/134/builds/17182

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

```
Step 5 (build-clangd-clangd-index-server-clangd-indexer) failure: build (failure)
...
213.886 [1112/18/2145] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLambda.cpp.o
215.090 [1111/18/2146] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaM68k.cpp.o
215.696 [1110/18/2147] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaMSP430.cpp.o
215.889 [1109/18/2148] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExprObjC.cpp.o
219.877 [1108/18/2149] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLoongArch.cpp.o
221.074 [1107/18/2150] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaMIPS.cpp.o
221.384 [1106/18/2151] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaInit.cpp.o
223.142 [1105/18/2152] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaNVPTX.cpp.o
224.225 [1104/18/2153] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclAttr.cpp.o
224.245 [1103/18/2154] 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 /usr/bin/clang++ -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/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/lib/Sema -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/clang/lib/Sema -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/clang/include -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/include -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/include -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include -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 -fno-omit-frame-pointer -gline-tables-only -fsanitize=thread -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 /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/clang/lib/Sema/SemaOpenACCClauseAppertainment.cpp
/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/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.
225.978 [1103/17/2155] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenACCAtomic.cpp.o
229.361 [1103/16/2156] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaModule.cpp.o
230.565 [1103/15/2157] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaConcept.cpp.o
231.260 [1103/14/2158] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenACCClause.cpp.o
232.906 [1103/13/2159] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenACC.cpp.o
233.297 [1103/12/2160] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclCXX.cpp.o
233.761 [1103/11/2161] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaObjCProperty.cpp.o
234.013 [1103/10/2162] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaPPC.cpp.o
234.319 [1103/9/2163] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenCL.cpp.o
234.722 [1103/8/2164] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLookup.cpp.o
234.839 [1103/7/2165] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaObjC.cpp.o
236.802 [1103/6/2166] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDecl.cpp.o
239.242 [1103/5/2167] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaPseudoObject.cpp.o
250.013 [1103/4/2168] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExprCXX.cpp.o
250.305 [1103/3/2169] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOverload.cpp.o
264.462 [1103/2/2170] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExpr.cpp.o
288.275 [1103/1/2171] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenMP.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

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