[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 `flang-runtime-cuda-gcc` running on `as-builder-7` while building `clang` at step 6 "build-flang-rt".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/152/builds/1769

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

```
Step 6 (build-flang-rt) failure: cmake (failure)
...
2.516 [5969/64/637] Building IRDL.h.inc...
2.517 [5968/64/638] Building IRDLDialect.cpp.inc...
2.517 [5967/64/639] Building IRDLDialect.h.inc...
2.518 [5966/64/640] Building IRDLTypes.cpp.inc...
2.519 [5965/64/641] Building IRDLTypes.h.inc...
2.520 [5964/64/642] Building IRDLInterfaces.cpp.inc...
2.521 [5963/64/643] Building IRDLInterfaces.h.inc...
2.522 [5962/64/644] Building Passes.h.inc...
2.523 [5961/64/645] Building Passes.h.inc...
2.525 [5960/64/646] 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/g++ -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/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/build/tools/clang/lib/Support -I/home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/llvm-project/clang/lib/Support -I/home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/llvm-project/clang/include -I/home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/build/tools/clang/include -I/home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/build/include -I/home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/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  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++17 -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/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/llvm-project/clang/lib/Support/RISCVVIntrinsicUtils.cpp
In file included from /home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/llvm-project/clang/lib/Support/RISCVVIntrinsicUtils.cpp:9:
/home/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/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/buildbot/worker/as-builder-7/ramdisk/flang-runtime-cuda-gcc/llvm-project/clang/include/clang/Support/RISCVVIntrinsicUtils.h:515:8: note: ‘RequiredExtensions’ declared here as ‘struct clang::RISCV::RequiredExtensions’
  515 | struct RequiredExtensions {
      |        ^~~~~~~~~~~~~~~~~~
2.525 [5960/63/647] Building EmitC.cpp.inc...
2.525 [5960/62/648] Building GPUOpsTypes.cpp.inc...
2.525 [5960/61/649] Building GPUOpsTypes.h.inc...
2.525 [5960/60/650] Building IndexOpsDialect.h.inc...
2.525 [5960/59/651] Building IndexOpsTypes.cpp.inc...
2.525 [5960/58/652] Building IndexOpsTypes.h.inc...
2.525 [5960/57/653] Building RelayoutOpInterface.cpp.inc...
2.525 [5960/56/654] Building RelayoutOpInterface.h.inc...
2.525 [5960/55/655] Building DeviceMappingAttrInterface.cpp.inc...
2.525 [5960/54/656] Building DeviceMappingAttrInterface.h.inc...
2.525 [5960/53/657] Building DeviceMappingAttributes.cpp.inc...
2.525 [5960/52/658] Building DeviceMappingAttributes.h.inc...
2.525 [5960/51/659] Building Passes.h.inc...
2.525 [5960/50/660] Building EmitC.h.inc...
2.528 [5960/49/661] Building ParallelLoopMapperEnums.h.inc...
2.529 [5960/48/662] Building IndexOps.cpp.inc...
2.529 [5960/47/663] Building Passes.h.inc...
2.530 [5960/46/664] Building IndexOps.h.inc...
2.531 [5960/45/665] Building IRDLExtensionOps.h.inc...
2.541 [5960/44/666] Building LinalgMatchOps.cpp.inc...
2.543 [5960/43/667] Building MathOpsDialect.cpp.inc...
2.543 [5960/42/668] Building ShardingInterface.cpp.inc...
2.544 [5960/41/669] Building MathOpsDialect.h.inc...
2.544 [5960/40/670] Building ShardingInterface.h.inc...
2.544 [5960/39/671] Building ParallelLoopMapperEnums.cpp.inc...
2.545 [5960/38/672] Building MathOpsTypes.cpp.inc...
2.545 [5960/37/673] Building MathOpsTypes.h.inc...
2.546 [5960/36/674] Building LinalgMatchOps.h.inc...
2.550 [5960/35/675] Building ArmSMEOpsConversions.inc...
2.551 [5960/34/676] Building MeshAttributes.cpp.inc...

```

</details>

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