Fix some clang warnings

Author: nikic

ext/intl/dateformat/dateformat_parse.c

@@ -51,7 +51,7 @@ static void internal_parse_to_timestamp(IntlDateFormatter_object *dfo, char* tex
 
 	/* Since return is in  sec. */
 	result = (double)timestamp / U_MILLIS_PER_SECOND;
-	if(result > LONG_MAX || result < -LONG_MAX) {
+	if (result > (double)LONG_MAX || result < (double)LONG_MIN) {
 		ZVAL_DOUBLE(return_value, result<0?ceil(result):floor(result));
 	} else {
 		ZVAL_LONG(return_value, (zend_long)result);

ext/mysqli/mysqli_nonapi.c

@@ -734,7 +734,7 @@ static int mysqlnd_zval_array_to_mysqlnd_array(zval *in_array, MYSQLND ***out_ar
 				return FAILURE;
 		  	}
 			mysql = (MY_MYSQL*) my_res->ptr;
-			if (MYSQLI_STATUS_VALID && my_res->status < MYSQLI_STATUS_VALID) {
+			if (my_res->status < MYSQLI_STATUS_VALID) {
 				zend_throw_error(NULL, "%s object is not fully initialized", ZSTR_VAL(intern->zo.ce->name));
 				return FAILURE;
 			}

ext/mysqli/php_mysqli_structs.h

@@ -229,7 +229,7 @@ extern void php_mysqli_fetch_into_hash_aux(zval *return_value, MYSQL_RES * resul
 		RETURN_THROWS();\
   	}\
 	__ptr = (__type)my_res->ptr; \
-	if (__check && my_res->status < __check) { \
+	if (my_res->status < __check) { \
 		zend_throw_error(NULL, "%s object is not fully initialized", ZSTR_VAL(intern->zo.ce->name)); \
 		RETURN_THROWS();\
 	}\
@@ -243,7 +243,7 @@ extern void php_mysqli_fetch_into_hash_aux(zval *return_value, MYSQL_RES * resul
 		return;\
 	}\
 	__ptr = (__type)my_res->ptr; \
-	if (__check && my_res->status < __check) { \
+	if (my_res->status < __check) { \
 		zend_throw_error(NULL, "%s object is not fully initialized", ZSTR_VAL(intern->zo.ce->name)); \
 		return;\
 	}\

ext/opcache/jit/zend_jit_x86.dasc

@@ -110,6 +110,7 @@
 #if defined(__clang__)
 # pragma clang diagnostic push
 # pragma clang diagnostic ignored "-Wtautological-compare"
+# pragma clang diagnostic ignored "-Wstring-compare"
 #endif
 
 const char* zend_reg_name[] = {