================
@@ -0,0 +1,18 @@
+// RUN: %clang_tysan -O0 %s -o %t && %run %t >%t.out 2>&1
+// RUN: FileCheck %s < %t.out
+
+#include <stdio.h>
+
+// CHECK-NOT: ERROR: TypeSanitizer: type-aliasing-violation
+
+int main() {
+ union {
+ int i;
+ short s;
+ } u;
+
+ u.i = 42;
+ u.s = 1;
+
+ printf("%d\n", u.i);
----------------
shafik wrote:
In C++ this would be a aliasing violation, can we catch that in C++?
https://github.com/llvm/llvm-project/pull/76261
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