[flang-commits] [flang] [flang][cuda] Specialize entry point for scalar to desc data transfer (PR #116457)

[LLVM Continuous Integration via flang-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `flang-runtime-cuda-gcc` running on `as-builder-7` while building `flang` at step 5 "build-FortranRuntime".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/152/builds/654

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

```
Step 5 (build-FortranRuntime) failure: build (failure)
...
0.085 [1/12/53] Building CUDA object CMakeFiles/FortranRuntime.dir/namelist.cpp.o
0.088 [1/11/54] Building CUDA object CMakeFiles/FortranRuntime.dir/unit.cpp.o
0.090 [1/10/55] Building CUDA object CMakeFiles/FortranRuntime.dir/io-stmt.cpp.o
0.100 [1/9/56] Building CUDA object CMakeFiles/FortranRuntime.dir/io-api.cpp.o
0.126 [1/8/57] Building CUDA object CMakeFiles/FortranRuntime.dir/dot-product.cpp.o
0.150 [1/7/58] Building CUDA object CMakeFiles/FortranRuntime.dir/extrema.cpp.o
0.217 [1/6/59] Building CUDA object CMakeFiles/FortranRuntime.dir/matmul-transpose.cpp.o
0.258 [1/5/60] Building CUDA object CMakeFiles/FortranRuntime.dir/matmul.cpp.o
0.338 [1/4/61] Building CUDA object CMakeFiles/FortranRuntime.dir/findloc.cpp.o
6.322 [1/3/62] Building CUDA object CMakeFiles/FortranRuntime.dir/allocatable.cpp.o
FAILED: CMakeFiles/FortranRuntime.dir/allocatable.cpp.o 
ccache /usr/local/cuda/bin/nvcc -forward-unknown-to-host-compiler -ccbin=/usr/bin/g++ -DFLANG_LITTLE_ENDIAN=1 -DGTEST_HAS_RTTI=0 -DRT_USE_LIBCUDACXX=1 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/llvm-project/flang/runtime/../include -I/home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/build -I/home/buildbot/worker/third-party/nv/cccl/libcudacxx/include -G -g -O3 -DNDEBUG --generate-code=arch=compute_80,code=[compute_80,sm_80]   -U_GLIBCXX_ASSERTIONS -U_LIBCPP_ENABLE_ASSERTIONS -std=c++17  -fno-exceptions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti --expt-relaxed-constexpr -Xcudafe --diag_suppress=20208 -Xcudafe --display_error_number -MD -MT CMakeFiles/FortranRuntime.dir/allocatable.cpp.o -MF CMakeFiles/FortranRuntime.dir/allocatable.cpp.o.d -x cu -dc /home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/llvm-project/flang/runtime/allocatable.cpp -o CMakeFiles/FortranRuntime.dir/allocatable.cpp.o
/home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/llvm-project/flang/runtime/../include/flang/Runtime/assign.h(47): error: function "Fortran::runtime::MemmoveWrapper" has already been defined
  static __attribute__((host)) __attribute__((device)) void *MemmoveWrapper(
                                                             ^

1 error detected in the compilation of "/home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/llvm-project/flang/runtime/allocatable.cpp".
6.833 [1/2/63] Building CUDA object CMakeFiles/FortranRuntime.dir/assign.cpp.o
FAILED: CMakeFiles/FortranRuntime.dir/assign.cpp.o 
ccache /usr/local/cuda/bin/nvcc -forward-unknown-to-host-compiler -ccbin=/usr/bin/g++ -DFLANG_LITTLE_ENDIAN=1 -DGTEST_HAS_RTTI=0 -DRT_USE_LIBCUDACXX=1 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/llvm-project/flang/runtime/../include -I/home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/build -I/home/buildbot/worker/third-party/nv/cccl/libcudacxx/include -G -g -O3 -DNDEBUG --generate-code=arch=compute_80,code=[compute_80,sm_80]   -U_GLIBCXX_ASSERTIONS -U_LIBCPP_ENABLE_ASSERTIONS -std=c++17  -fno-exceptions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti --expt-relaxed-constexpr -Xcudafe --diag_suppress=20208 -Xcudafe --display_error_number -MD -MT CMakeFiles/FortranRuntime.dir/assign.cpp.o -MF CMakeFiles/FortranRuntime.dir/assign.cpp.o.d -x cu -dc /home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/llvm-project/flang/runtime/assign.cpp -o CMakeFiles/FortranRuntime.dir/assign.cpp.o
/home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/llvm-project/flang/runtime/assign-impl.h(25): error: function "Fortran::runtime::MemmoveWrapper" has already been defined
  static __attribute__((host)) __attribute__((device)) void *MemmoveWrapper(
                                                             ^

1 error detected in the compilation of "/home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/llvm-project/flang/runtime/assign.cpp".
9.776 [1/1/64] Building CUDA object CMakeFiles/FortranRuntime.dir/pointer.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/116457