[compiler-rt] [tsan][NFCI] Add note that GPU libraries may cause shadow mapping incompatibility (PR #137835)

[Vitaly Buka via llvm-commits]

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@@ -292,8 +292,12 @@ static void ReExecIfNeeded(bool ignore_heap) {
     } else {
       Printf(
           "FATAL: ThreadSanitizer: memory layout is incompatible, "
-          "even though ASLR is disabled.\n"
-          "Please file a bug.\n");
+          "even though ASLR is disabled.\n");
+      Printf(
+          "FATAL: This error may occur for programs that use GPU libraries.");
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vitalybuka wrote:

You are changing the lib which maps a lot of memory.

Lets just print generic link to:
https://clang.llvm.org/docs/ThreadSanitizer.html#limitations

and add entry about your discovery

https://github.com/llvm/llvm-project/pull/137835