[clang] [clang][SME] Account for C++ lambdas in SME builtin diagnostics (PR #124750)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `flang-aarch64-dylib` running on `linaro-flang-aarch64-dylib` while building `clang` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/50/builds/9620

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
324.884 [1402/1/5400] Building CXX object tools/mlir/lib/Dialect/SPIRV/Transforms/CMakeFiles/obj.MLIRSPIRVTransforms.dir/UpdateVCEPass.cpp.o
325.022 [1401/1/5401] Building CXX object tools/mlir/lib/Dialect/SPIRV/Utils/CMakeFiles/obj.MLIRSPIRVUtils.dir/LayoutUtils.cpp.o
325.089 [1400/1/5402] Building CXX object tools/mlir/lib/Dialect/Tensor/Extensions/CMakeFiles/obj.MLIRTensorAllExtensions.dir/AllExtensions.cpp.o
325.239 [1399/1/5403] Building CXX object tools/mlir/tools/mlir-rewrite/CMakeFiles/mlir-rewrite.dir/mlir-rewrite.cpp.o
325.383 [1398/1/5404] Building CXX object tools/mlir/lib/Dialect/Tensor/IR/CMakeFiles/obj.MLIRTensorDialect.dir/TensorDialect.cpp.o
325.502 [1397/1/5405] Building CXX object tools/mlir/lib/Dialect/Tensor/IR/CMakeFiles/obj.MLIRTensorDialect.dir/ValueBoundsOpInterfaceImpl.cpp.o
325.684 [1396/1/5406] Building CXX object tools/mlir/lib/Dialect/Tensor/IR/CMakeFiles/obj.MLIRTensorTilingInterfaceImpl.dir/TensorTilingInterfaceImpl.cpp.o
325.834 [1395/1/5407] Building CXX object tools/mlir/lib/Dialect/Tensor/IR/CMakeFiles/obj.MLIRTensorDialect.dir/TensorOps.cpp.o
325.978 [1394/1/5408] Building CXX object tools/mlir/lib/Dialect/Tensor/IR/CMakeFiles/obj.MLIRTensorInferTypeOpInterfaceImpl.dir/TensorInferTypeOpInterfaceImpl.cpp.o
337.783 [1393/1/5409] Building CXX object tools/mlir/test/lib/IR/CMakeFiles/MLIRTestIR.dir/TestClone.cpp.o
FAILED: tools/mlir/test/lib/IR/CMakeFiles/MLIRTestIR.dir/TestClone.cpp.o 
/usr/local/bin/c++ -DGTEST_HAS_RTTI=0 -DMLIR_INCLUDE_TESTS -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/tcwg-buildbot/worker/flang-aarch64-dylib/build/tools/mlir/test/lib/IR -I/home/tcwg-buildbot/worker/flang-aarch64-dylib/llvm-project/mlir/test/lib/IR -I/home/tcwg-buildbot/worker/flang-aarch64-dylib/build/tools/mlir/include -I/home/tcwg-buildbot/worker/flang-aarch64-dylib/llvm-project/mlir/include -I/home/tcwg-buildbot/worker/flang-aarch64-dylib/build/include -I/home/tcwg-buildbot/worker/flang-aarch64-dylib/llvm-project/llvm/include -I/home/tcwg-buildbot/worker/flang-aarch64-dylib/llvm-project/mlir/test/lib/IR/../Dialect/Test -I/home/tcwg-buildbot/worker/flang-aarch64-dylib/build/tools/mlir/test/lib/IR/../Dialect/Test -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 -Wundef -Werror=mismatched-tags -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/mlir/test/lib/IR/CMakeFiles/MLIRTestIR.dir/TestClone.cpp.o -MF tools/mlir/test/lib/IR/CMakeFiles/MLIRTestIR.dir/TestClone.cpp.o.d -o tools/mlir/test/lib/IR/CMakeFiles/MLIRTestIR.dir/TestClone.cpp.o -c /home/tcwg-buildbot/worker/flang-aarch64-dylib/llvm-project/mlir/test/lib/IR/TestClone.cpp
In file included from /home/tcwg-buildbot/worker/flang-aarch64-dylib/llvm-project/mlir/test/lib/IR/TestClone.cpp:9:
/home/tcwg-buildbot/worker/flang-aarch64-dylib/llvm-project/mlir/test/lib/IR/../Dialect/Test/TestOps.h:148:10: fatal error: 'TestOps.h.inc' file not found
  148 | #include "TestOps.h.inc"
      |          ^~~~~~~~~~~~~~~
1 error generated.
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/124750