1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr38505.c b/gcc/testsuite/gcc.c-torture/compile/pr38505.c
new file mode 100644
index 000000000..b3b4a10c7
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr38505.c
@@ -0,0 +1,23 @@
+/* PR middle-end/38505 */
+/* { dg-do compile } */
+
+struct S
+{
+  unsigned short a[50];
+  unsigned short b[20];
+};
+extern void bar (struct S *);
+extern void baz (unsigned short *);
+extern unsigned short d[];
+
+void
+foo (void)
+{
+  struct S s;
+  unsigned short g[50];
+
+  baz (g);
+  __builtin_memcpy (&s, g, sizeof (g));
+  __builtin_memcpy (s.b, d, sizeof (s.b));
+  bar (&s);
+}