1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/alias-9.c b/gcc/testsuite/gcc.dg/alias-9.c
new file mode 100644
index 000000000..f8c100316
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/alias-9.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-Wstrict-aliasing=2 -O2" } */
+
+int a[2];
+
+double *foo1(void)
+{
+  return (double *)a; /* { dg-warning "strict-aliasing" } */
+}
+
+double *foo2(void)
+{
+  return (double *)&a[0]; /* { dg-warning "strict-aliasing" } */
+}
+
+_Complex x;
+int *bar(void)
+{
+  return (int *)&__imag x; /* { dg-warning "strict-aliasing" } */
+}