Add gcc.target/i386/pr47364-2.c and gcc.dg/torture/pr47364-1.c.

From-SVN: r177488

gcc/testsuite/ChangeLog

@@ -2,6 +2,8 @@
 
 	PR middle-end/47364
 	* gcc.dg/torture/pr47364-1.c: New.
+	* gcc.target/i386/pr47364-1.c: Likewise.
+	* gcc.target/i386/pr47364-2.c: Likewise.
 
 2011-08-05  Thomas Koenig  <tkoenig@gcc.gnu.org>
 

gcc/testsuite/gcc.dg/torture/pr47364-1.c

+/* { dg-do run } */
+
+char one[50] = "ijk";
+int
+main (void)
+{
+  return __builtin_strlen (one) != 3;
+}

gcc/testsuite/gcc.target/i386/pr47364-2.c

+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+extern __SIZE_TYPE__ strlen (const char *);
+void foo (char *, const char *);
+int bar (const char *prefix)
+{
+    char buff[256];
+    foo (buff, prefix);
+    return strlen(buff);
+}