1 files changed, 67 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20050502-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20050502-1.c
new file mode 100644
index 000000000..331fe5ff7
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20050502-1.c
@@ -0,0 +1,67 @@
+/* PR rtl-optimization/21330 */
+
+extern void abort (void);
+extern int strcmp (const char *, const char *);
+
+int
+__attribute__((noinline))
+bar (const char **x)
+{
+  return *(*x)++;
+}
+
+int
+__attribute__((noinline))
+baz (int c)
+{
+  return c != '@';
+}
+
+void
+__attribute__((noinline))
+foo (const char **w, char *x, _Bool y, _Bool z)
+{
+  char c = bar (w);
+  int i = 0;
+
+  while (1)
+    {
+      x[i++] = c;
+      c = bar (w);
+      if (y && c == '\'')
+        break;
+      if (z && c == '\"')
+        break;
+      if (!y && !z && !baz (c))
+        break;
+    }
+   x[i] = 0;
+}
+
+int
+main (void)
+{
+  char buf[64];
+  const char *p;
+  p = "abcde'fgh";
+  foo (&p, buf, 1, 0);
+  if (strcmp (p, "fgh") != 0 || strcmp (buf, "abcde") != 0)
+    abort ();
+  p = "ABCDEFG\"HI";
+  foo (&p, buf, 0, 1);
+  if (strcmp (p, "HI") != 0 || strcmp (buf, "ABCDEFG") != 0)
+    abort ();
+  p = "abcd\"e'fgh";
+  foo (&p, buf, 1, 1);
+  if (strcmp (p, "e'fgh") != 0 || strcmp (buf, "abcd") != 0)
+    abort ();
+  p = "ABCDEF'G\"HI";
+  foo (&p, buf, 1, 1);
+  if (strcmp (p, "G\"HI") != 0 || strcmp (buf, "ABCDEF") != 0)
+    abort ();
+  p = "abcdef@gh";
+  foo (&p, buf, 0, 0);
+  if (strcmp (p, "gh") != 0 || strcmp (buf, "abcdef") != 0)
+    abort ();
+  return 0;
+}