[llvm] [TBAA] Add verifier for tbaa.struct metadata (PR #86709)

[Alexey Bataev via llvm-commits]

alexey-bataev wrote:

> hmm, struggling to reproduce this one I'm afraid, any chance you could share the bitcode input for ThinLTO (--save-temps), and maybe the full cmake invocation

Here is the config of clang/LLVM building:
```
cmake -G Ninja -DCMAKE_BUILD_TYPE=Release $HOME/clang_tools/llvm-project/llvm -DCMAKE_C_COMPILER=clang  -DCMAKE_CXX_COMPILER=clang++ -DLLVM_ENABLE_PROJECTS="clang;compiler-rt;clang-tools-extra;lld" -DLLVM_ENABLE_RUNTIMES="openmp" -DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_USE_LINKER=lld -DLLVM_CCACHE_BUILD=true -DLLVM_PARALLEL_COMPILE_JOBS=12 -DLLVM_PARALLEL_LINK_JOBS=2 -DOPENMP_ENABLE_LIBOMPTARGET_PROFILING=OFF -DCMAKE_INSTALL_PREFIX=$HOME/clang_tools -DLIBOMPTARGET_NVPTX_COMPUTE_CAPABILITIES=all -DLIBOMPTARGET_BUILD_DEVICERTL_BCLIB=false -DLLVM_ENABLE_RTTI=ON -DLLVM_ENABLE_EH=ON -DLIBOMPTARGET_BUILD_CUDA_PLUGIN=false -DLIBOMPTARGET_BUILD_AMDGPU_PLUGIN=false -DCMAKE_C_FLAGS="-Wformat -Wno-conversion" -DCMAKE_CXX_FLAGS="-Wformat -Wno-conversion" -DCMAKE_ASM_FLAGS="-Wformat -Wno-conversion" -DCMAKE_C_FLAGS=-march=native -DCMAKE_CXX_FLAGS=-march=native -DLLVM_ENABLE_LTO=Thin
ninja -j12
```

https://github.com/llvm/llvm-project/pull/86709