[compiler-rt] [compiler-rt][nsan] Add `-fno-rtti` to compile flags (PR #98768)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

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

Author: Dmitriy Chestnykh (chestnykh)

<details>
<summary>Changes</summary>

Other runtime libraries build scripts
like asan, dfsan, msan etc.
use this flag to avoid vtables in the runtime library
Fix #<!-- -->98767

---
Full diff: https://github.com/llvm/llvm-project/pull/98768.diff


1 Files Affected:

- (modified) compiler-rt/lib/nsan/CMakeLists.txt (+2) 


``````````diff
diff --git a/compiler-rt/lib/nsan/CMakeLists.txt b/compiler-rt/lib/nsan/CMakeLists.txt
index 1e138d4560c89..ed2fce495a1d9 100644
--- a/compiler-rt/lib/nsan/CMakeLists.txt
+++ b/compiler-rt/lib/nsan/CMakeLists.txt
@@ -28,6 +28,8 @@ append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC NSAN_CFLAGS)
 set(NSAN_DYNAMIC_LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS})
 
 set(NSAN_CFLAGS ${SANITIZER_COMMON_CFLAGS})
+append_rtti_flag(OFF NSAN_CFLAGS)
+
 set(NSAN_DYNAMIC_CFLAGS ${NSAN_CFLAGS})
 
 set(NSAN_COMMON_RUNTIME_OBJECT_LIBS

``````````

</details>


https://github.com/llvm/llvm-project/pull/98768