[libunwind] [llvm] [MC][AArch64] Add .cfi_llvm_set_ra_sign_state for PAuth_LR (PR #205442)

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github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

* 175381 tests passed
* 3472 tests skipped

All executed tests passed, but another part of the build **failed**. Click on a failure below to see the details.

<details>
<summary>tools/bolt/lib/Core/CMakeFiles/LLVMBOLTCore.dir/BinaryFunction.cpp.o</summary>

```
FAILED: tools/bolt/lib/Core/CMakeFiles/LLVMBOLTCore.dir/BinaryFunction.cpp.o
sccache /opt/llvm/bin/clang++ -DCMAKE_INSTALL_FULL_LIBDIR=\"/home/gha/actions-runner/_work/llvm-project/llvm-project/build/install/lib\" -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/bolt/lib/Core -I/home/gha/actions-runner/_work/llvm-project/llvm-project/bolt/lib/Core -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/include -I/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include -I/home/gha/actions-runner/_work/llvm-project/llvm-project/bolt/include -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/bolt/include -gmlt -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -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 -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17 -UNDEBUG -fno-exceptions -funwind-tables -fno-rtti -MD -MT tools/bolt/lib/Core/CMakeFiles/LLVMBOLTCore.dir/BinaryFunction.cpp.o -MF tools/bolt/lib/Core/CMakeFiles/LLVMBOLTCore.dir/BinaryFunction.cpp.o.d -o tools/bolt/lib/Core/CMakeFiles/LLVMBOLTCore.dir/BinaryFunction.cpp.o -c /home/gha/actions-runner/_work/llvm-project/llvm-project/bolt/lib/Core/BinaryFunction.cpp
/home/gha/actions-runner/_work/llvm-project/llvm-project/bolt/lib/Core/BinaryFunction.cpp:2785:13: error: enumeration value 'OpLLVMSetRAState' not handled in switch [-Werror,-Wswitch]
2785 |     switch (Instr.getOperation()) {
|             ^~~~~~~~~~~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/bolt/lib/Core/BinaryFunction.cpp:2916:13: error: enumeration value 'OpLLVMSetRAState' not handled in switch [-Werror,-Wswitch]
2916 |     switch (Instr.getOperation()) {
|             ^~~~~~~~~~~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/bolt/lib/Core/BinaryFunction.cpp:3066:13: error: enumeration value 'OpLLVMSetRAState' not handled in switch [-Werror,-Wswitch]
3066 |     switch (Instr.getOperation()) {
|             ^~~~~~~~~~~~~~~~~~~~
3 errors generated.
```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/205442