[clang] [CMake][PGO] Add libunwind to list of stage1 runtimes (PR #78869)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Tom Stellard (tstellar)

<details>
<summary>Changes</summary>

This fixes the build since 8f90e6937a1fac80873bb2dab5f382c82ba1ba4e which made libcxxabi use llvm's libunwind by default.

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Full diff: https://github.com/llvm/llvm-project/pull/78869.diff


1 Files Affected:

- (modified) clang/cmake/caches/PGO.cmake (+1-1) 


``````````diff
diff --git a/clang/cmake/caches/PGO.cmake b/clang/cmake/caches/PGO.cmake
index e1d0585e453f82..15bc755d110d19 100644
--- a/clang/cmake/caches/PGO.cmake
+++ b/clang/cmake/caches/PGO.cmake
@@ -2,7 +2,7 @@ set(CMAKE_BUILD_TYPE RELEASE CACHE STRING "")
 set(CLANG_ENABLE_BOOTSTRAP ON CACHE BOOL "")
 
 set(LLVM_ENABLE_PROJECTS "clang;lld" CACHE STRING "")
-set(LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx;libcxxabi" CACHE STRING "")
+set(LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx;libcxxabi;libunwind" CACHE STRING "")
 
 set(LLVM_TARGETS_TO_BUILD Native CACHE STRING "")
 set(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED ON CACHE BOOL "")

``````````

</details>


https://github.com/llvm/llvm-project/pull/78869