re PR target/36513 (-Wlogical-op warns about strchr)

2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 36513
testsuite/
	* c-c++-common/pr36513.c: New testcase.
	* c-c++-common/pr36513-2.c: New testcase.

From-SVN: r156912

gcc/testsuite/ChangeLog

 2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 
+	PR 36513
+	* c-c++-common/pr36513.c: New testcase.
+	* c-c++-common/pr36513-2.c: New testcase.
+
+2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
+
 	PR 41779
 	* c-c++-common/pr41779.c: New.
 

gcc/testsuite/c-c++-common/pr36513-2.c

+/* PR 36513: -Wlogical-op warns about strchr */
+/* { dg-do compile } */
+/* { dg-options "-Wlogical-op" } */
+#ifdef __cplusplus
+#include <cstring>
+#else 
+#include <string.h>
+#endif
+int main2 ()
+{
+  char *s, t;
+  strchr (s, t);
+}

gcc/testsuite/c-c++-common/pr36513.c

+/* PR 36513: -Wlogical-op warns about strchr */
+/* { dg-do compile } */
+/* { dg-options "-Wlogical-op" } */
+
+extern void *__rawmemchr (const void *__s, int __c);
+int main1 ()
+{
+  char *s, t;
+  (__extension__ (__builtin_constant_p (t) 
+		  && !__builtin_constant_p (s) 
+		  && (t) == '\0' 
+		  ? (char *) __rawmemchr (s, t) 
+		  : __builtin_strchr (s, t)));
+}
+