[clang] [RISCV][NFC] Make generated intrinsic records more human-readable (PR #133710)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `amdgpu-offload-rhel-9-cmake-build-only` running on `rocm-docker-rhel-9` while building `clang` at step 4 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/205/builds/6327

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

```
Step 4 (annotate) failure: '../llvm-zorg/zorg/buildbot/builders/annotated/amdgpu-offload-cmake.py --jobs=32' (failure)
...
[1110/7775] Building LLVMOps.cpp.inc...
[1111/7775] Building LLVMOps.h.inc...
[1112/7775] Building MeshDialect.cpp.inc...
[1113/7775] Building MeshDialect.h.inc...
[1114/7775] Building MeshTypes.cpp.inc...
[1115/7775] Building MeshTypes.h.inc...
[1116/7775] Building CompilationAttrInterfaces.h.inc...
[1117/7775] Building MLProgramTypes.cpp.inc...
[1118/7775] Building MLProgramTypes.h.inc...
[1119/7775] Building CXX object tools/clang/lib/Support/CMakeFiles/obj.clangSupport.dir/RISCVVIntrinsicUtils.cpp.o
FAILED: tools/clang/lib/Support/CMakeFiles/obj.clangSupport.dir/RISCVVIntrinsicUtils.cpp.o 
ccache /usr/bin/c++ -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/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/build/tools/clang/lib/Support -I/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/llvm-project/clang/lib/Support -I/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/llvm-project/clang/include -I/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/build/tools/clang/include -I/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/build/include -I/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/llvm-project/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-redundant-move -Wno-pessimizing-move -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 -fno-strict-aliasing -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/clang/lib/Support/CMakeFiles/obj.clangSupport.dir/RISCVVIntrinsicUtils.cpp.o -MF tools/clang/lib/Support/CMakeFiles/obj.clangSupport.dir/RISCVVIntrinsicUtils.cpp.o.d -o tools/clang/lib/Support/CMakeFiles/obj.clangSupport.dir/RISCVVIntrinsicUtils.cpp.o -c /home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/llvm-project/clang/lib/Support/RISCVVIntrinsicUtils.cpp
In file included from /home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/llvm-project/clang/lib/Support/RISCVVIntrinsicUtils.cpp:9:
/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/llvm-project/clang/include/clang/Support/RISCVVIntrinsicUtils.h:541:22: error: declaration of ‘clang::RISCV::RequiredExtensions clang::RISCV::RVVIntrinsicRecord::RequiredExtensions’ changes meaning of ‘RequiredExtensions’ [-fpermissive]
  541 |   RequiredExtensions RequiredExtensions;
      |                      ^~~~~~~~~~~~~~~~~~
/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/llvm-project/clang/include/clang/Support/RISCVVIntrinsicUtils.h:515:8: note: ‘RequiredExtensions’ declared here as ‘struct clang::RISCV::RequiredExtensions’
  515 | struct RequiredExtensions {
      |        ^~~~~~~~~~~~~~~~~~
[1120/7775] Building MLProgramOps.cpp.inc...
[1121/7775] Building MLProgramOps.h.inc...
[1122/7775] Building MLProgramOpsDialect.cpp.inc...
[1123/7775] Building MLProgramOpsDialect.h.inc...
[1124/7775] Building MLProgramOpsTypes.cpp.inc...
[1125/7775] Building MLProgramOpsTypes.h.inc...
[1126/7775] Building MPI.cpp.inc...
[1127/7775] Building MPI.h.inc...
[1128/7775] Building MPIDialect.cpp.inc...
[1129/7775] Linking CXX shared library lib/libLLVMTableGenCommon.so.21.0git
[1130/7775] Building MeshOps.cpp.inc...
[1131/7775] Building MPIDialect.h.inc...
[1132/7775] Building MeshOps.h.inc...
[1133/7775] Building LinalgTransformOpsEnums.cpp.inc...
[1134/7775] Building MPITypes.cpp.inc...
[1135/7775] Building IRDLAttributes.cpp.inc...
[1136/7775] Building LinalgTransformOpsEnums.h.inc...
[1137/7775] Building IRDLAttributes.h.inc...
[1138/7775] Building IRDLEnums.cpp.inc...
[1139/7775] Building IRDLEnums.h.inc...
[1140/7775] Building MPITypes.h.inc...
[1141/7775] Building NVGPUEnums.cpp.inc...
[1142/7775] Building NVGPUEnums.h.inc...
[1143/7775] Building GPUDeviceMapperEnums.cpp.inc...
[1144/7775] Building MPIOps.cpp.inc...
[1145/7775] Building GPUDeviceMapperEnums.h.inc...
[1146/7775] Building NVGPU.cpp.inc...
[1147/7775] Building LLVMTypes.cpp.inc...
[1148/7775] Building MPIOps.h.inc...
[1149/7775] Building LLVMTypes.h.inc...

```

</details>

https://github.com/llvm/llvm-project/pull/133710