1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr51077.c b/gcc/testsuite/gcc.c-torture/compile/pr51077.c
new file mode 100644
index 000000000..de2b97e58
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr51077.c
@@ -0,0 +1,15 @@
+/* PR middle-end/51077 */
+
+struct S { unsigned char s, t[256]; };
+
+void
+foo (const struct S *x, struct S *y, int z)
+{
+  int i;
+  for (i = 0; i < 8; i++)
+    {
+      const struct S *a = &x[i];
+      __builtin___memcpy_chk (y->t, a->t, z, __builtin_object_size (y->t, 0));
+      y = (struct S *) &y->t[z];
+    }
+}