[compiler-rt] compiler-rt: Fix stat size check on mips64 musl (PR #143301)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-compiler-rt-sanitizer

Author: Jens Reidel (Gelbpunkt)

<details>
<summary>Changes</summary>

The sizes of the struct stat on MIPS64 differ in musl vs glibc.

See https://godbolt.org/z/qf9bcq8Y8 for the proof. Prior to this change, compilation for MIPS64 musl would fail.

---
Full diff: https://github.com/llvm/llvm-project/pull/143301.diff


1 Files Affected:

- (modified) compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h (+3-1) 


``````````diff
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
index fdc52aa56c493..134081ac97931 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
@@ -102,8 +102,10 @@ const unsigned struct_kernel_stat_sz = SANITIZER_ANDROID
                                            ? FIRST_32_SECOND_64(104, 128)
 #      if defined(_ABIN32) && _MIPS_SIM == _ABIN32
                                            : FIRST_32_SECOND_64(176, 216);
-#      else
+#      elif !SANITIZER_MUSL
                                            : FIRST_32_SECOND_64(160, 216);
+#      else
+                                           : FIRST_32_SECOND_64(160, 208);
 #      endif
 const unsigned struct_kernel_stat64_sz = 104;
 #elif defined(__s390__) && !defined(__s390x__)

``````````

</details>


https://github.com/llvm/llvm-project/pull/143301