8346193: Test runtime/ErrorHandling/TestDwarf.java fails build with c…

…lang17
sendaoYan · Dec 16, 2024 · 3a8e434 · 3a8e434
1 parent 4fc43b0
commit 3a8e434
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/hotspot/share/runtime/frame.cpp b/src/hotspot/share/runtime/frame.cpp
@@ -1163,7 +1163,7 @@ void frame::oops_do_internal(OopClosure* f, NMethodClosure* cf,
 #ifndef PRODUCT
   // simulate GC crash here to dump java thread in error report
   if (CrashGCForDumpingJavaThread) {
-    char *t = nullptr;
+    volatile char *t = nullptr; // Use volatile modifier to make clang avoid 'dead code' elimination
     *t = 'c';
   }
 #endif