1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/20050502-2.c b/gcc/testsuite/gcc.c-torture/execute/20050502-2.c
new file mode 100644
index 000000000..eedcb6a31
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20050502-2.c
@@ -0,0 +1,34 @@
+/* PR target/21297 */
+typedef __SIZE_TYPE__ size_t;
+extern int memcmp (const char *, const char *, size_t);
+extern void abort ();
+
+void
+foo (char *x)
+{
+  int i;
+  for (i = 0; i < 2; i++);
+  x[i + i] = '\0';
+}
+
+void
+bar (char *x)
+{
+  int i;
+  for (i = 0; i < 2; i++);
+  x[i + i + i + i] = '\0';
+}
+
+int
+main (void)
+{
+  char x[] = "IJKLMNOPQR";
+  foo (x);
+  if (memcmp (x, "IJKL\0NOPQR", sizeof x) != 0)
+    abort ();
+  x[4] = 'M';
+  bar (x);
+  if (memcmp (x, "IJKLMNOP\0R", sizeof x) != 0)
+    abort ();
+  return 0;
+}