1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/torture/pr53970.C b/gcc/testsuite/g++.dg/torture/pr53970.C
new file mode 100644
index 00000000000..53cbc1f855a
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr53970.C
@@ -0,0 +1,17 @@
+// { dg-do run }
+
+#pragma pack(1)
+struct mystruct {
+    char c;
+    unsigned long l[1024];
+};
+#pragma pack()
+
+int main(int argc, char **argv)
+{
+  mystruct *a = new mystruct;
+  unsigned long i;
+  for (i = 0; i < 1024; ++i)
+    a->l[i] = 0xdeadbeaf;
+  return 0;
+}