[llvm] a41e20a - [gn build] Port 5ab944a8c6a2

[LLVM GN Syncbot via llvm-commits]

Author: LLVM GN Syncbot
Date: 2025-05-28T16:42:55Z
New Revision: a41e20a53ca28c93085e33469718450e7063e778

URL: https://github.com/llvm/llvm-project/commit/a41e20a53ca28c93085e33469718450e7063e778
DIFF: https://github.com/llvm/llvm-project/commit/a41e20a53ca28c93085e33469718450e7063e778.diff

LOG: [gn build] Port 5ab944a8c6a2

Added: 
    

Modified: 
    llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn

Removed: 
    


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diff  --git a/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn b/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
index 417396a5471fd..951cf56dca6dc 100644
--- a/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
@@ -320,6 +320,7 @@ copy("Headers") {
     "stdatomic.h",
     "stdbool.h",
     "stdckdint.h",
+    "stdcountof.h",
     "stddef.h",
     "stdint.h",
     "stdnoreturn.h",