[compiler-rt] [msan][NFCI] Add note that GPU libraries may cause shadow mapping incompatibility (PR #137834)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

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

Author: Thurston Dang (thurstond)

<details>
<summary>Changes</summary>

…ompatibility

---
Full diff: https://github.com/llvm/llvm-project/pull/137834.diff


1 Files Affected:

- (modified) compiler-rt/lib/msan/msan.cpp (+3) 


``````````diff
diff --git a/compiler-rt/lib/msan/msan.cpp b/compiler-rt/lib/msan/msan.cpp
index a3c0c2e485af3..0361630b54f97 100644
--- a/compiler-rt/lib/msan/msan.cpp
+++ b/compiler-rt/lib/msan/msan.cpp
@@ -483,6 +483,9 @@ void __msan_init() {
     Printf("FATAL: Disabling ASLR is known to cause this error.\n");
     Printf("FATAL: If running under GDB, try "
            "'set disable-randomization off'.\n");
+    Printf(
+        "FATAL: This error may also occur for programs that use GPU "
+        "libraries.\n");
     DumpProcessMap();
     Die();
   }

``````````

</details>


https://github.com/llvm/llvm-project/pull/137834