1 files changed, 30 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr48571-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr48571-1.c
new file mode 100644
index 000000000..06ac10360
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr48571-1.c
@@ -0,0 +1,30 @@
+#define S (sizeof (int))
+
+unsigned int c[624];
+void __attribute__((noinline))
+bar (void)
+{
+  unsigned int i;
+  /* Obfuscated c[i] = c[i-1] * 2.  */
+  for (i = 1; i < 624; ++i)
+    *(unsigned int *)((void *)c + (__SIZE_TYPE__)i * S)
+	= 2 * *(unsigned int *)((void *)c + ((__SIZE_TYPE__)i +
+					     ((__SIZE_TYPE__)-S)/S) * S);
+}
+extern void abort (void);
+int
+main()
+{
+  unsigned int i, j;
+  for (i = 0; i < 624; ++i)
+    c[i] = 1;
+  bar();
+  j = 1;
+  for (i = 0; i < 624; ++i)
+    {
+      if (c[i] != j)
+	abort ();
+      j = j * 2;
+    }
+  return 0;
+}