[flang-commits] [flang] [flang][cuda] Convert cuf.sync_descriptor to runtime call (PR #121524)

[LLVM Continuous Integration via flang-commits]

llvm-ci wrote:

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

Full details are available at: https://lab.llvm.org/buildbot/#/builders/157/builds/16247

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
64.956 [128/11/6546] Linking CXX shared module lib/BugpointPasses.so
65.218 [128/10/6547] Linking CXX executable bin/llvm-reduce
65.325 [128/9/6548] Linking CXX executable bin/llvm-opt-fuzzer
65.820 [128/8/6549] Linking CXX executable bin/clang-extdef-mapping
67.055 [128/7/6550] Linking CXX executable bin/clang-scan-deps
67.412 [128/6/6551] Linking CXX shared library lib/libclang.so.20.0.0git
67.474 [127/6/6552] Creating library symlink lib/libclang.so.20.0git lib/libclang.so
68.114 [125/7/6553] Linking CXX executable bin/c-arcmt-test
68.244 [125/6/6554] Linking CXX executable bin/clang-check
68.879 [125/5/6555] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFOpConversion.cpp.o
FAILED: tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFOpConversion.cpp.o 
ccache /home/buildbots/llvm-external-buildbots/clang.16.0.1/bin/clang++ -DFLANG_INCLUDE_TESTS=1 -DFLANG_LITTLE_ENDIAN=1 -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-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/tools/flang/lib/Optimizer/Transforms -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/lib/Optimizer/Transforms -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/tools/flang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/include -isystem /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/../mlir/include -isystem /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/tools/mlir/include -isystem /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/tools/clang/include -isystem /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/../clang/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 -fdiagnostics-color -ffunction-sections -fdata-sections -Werror -Wno-deprecated-copy -Wno-string-conversion -Wno-ctad-maybe-unsupported -Wno-unused-command-line-argument -Wstring-conversion           -Wcovered-switch-default -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFOpConversion.cpp.o -MF tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFOpConversion.cpp.o.d -o tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFOpConversion.cpp.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/lib/Optimizer/Transforms/CUFOpConversion.cpp
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/lib/Optimizer/Transforms/CUFOpConversion.cpp:827:28: error: private field 'symTab' is not used [-Werror,-Wunused-private-field]
  const mlir::SymbolTable &symTab;
                           ^
1 error generated.
69.024 [125/4/6556] Linking CXX executable bin/mlir-cpu-runner
70.822 [125/3/6557] Linking CXX executable bin/c-index-test
70.825 [125/2/6558] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/LTO.cpp.o
177.679 [125/1/6559] Building CXX object tools/flang/lib/Optimizer/CodeGen/CMakeFiles/FIRCodeGen.dir/CodeGen.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/121524