1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr27639.c b/gcc/testsuite/gcc.dg/pr27639.c
new file mode 100644
index 0000000..28e4223
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr27639.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -std=c99" } */
+
+char heap[50000];
+
+int
+main ()
+{
+  for (unsigned ix = sizeof (heap); ix--;)
+    heap[ix] = ix;
+  return 0;
+}