1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/mayalias-2.c b/gcc/testsuite/gcc.c-torture/execute/mayalias-2.c
new file mode 100644
index 000000000..39c010d91
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/mayalias-2.c
@@ -0,0 +1,16 @@
+typedef struct __attribute__((__may_alias__)) { short x; } test;
+
+int f() {
+  int a=10;
+  test *p=(test *)&a;
+  p->x = 1;
+  return a;
+}
+
+int main() {
+  if (f() == 10)
+    __builtin_abort();
+  return 0;
+}
+
+