1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/pr45234.c b/gcc/testsuite/gcc.target/i386/pr45234.c
new file mode 100644
index 000000000..b11096b65
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr45234.c
@@ -0,0 +1,18 @@
+/* PR middle-end/45234 */
+/* { dg-do compile } */
+/* { dg-options "-march=i586" { target ilp32 } } */
+
+struct S { union { double b[4]; } a[18]; } s, a[5];
+void foo (struct S);
+struct S bar (struct S, struct S *, struct S);
+
+void
+foo (struct S arg)
+{
+}
+
+void
+baz (void)
+{
+ foo (bar (s, &a[1], a[2]));
+}