On 03/02/15 11:56, Markus Trippelsdorf wrote:
On 2015.03.02 at 18:53 +0100, Marek Polacek wrote:
On Mon, Mar 02, 2015 at 06:22:49PM +0100, Markus Trippelsdorf wrote:
--- a/libcpp/lex.c
+++ b/libcpp/lex.c
@@ -519,6 +519,7 @@ init_vectorized_lexer (void)
and VSX unaligned loads (when VSX is available). This is otherwise
the same as the pre-GCC 5 version. */
+__attribute__ ((no_sanitize_undefined))
static const uchar *
search_line_fast (const uchar *s, const uchar *end ATTRIBUTE_UNUSED)
{
I don't think you can use the __attribute__ just like that. If adding
such an attribute is the correct thing to do, then we should probably
define a macro in include/ansidecl.h, with a proper GCC_VERSION guard.
Ok. Here is an updated version:
2015-03-02 Markus Trippelsdorf <mar...@trippelsdorf.de>
include/
PR target/65261
* ansidecl.h (ATTRIBUTE_NO_SANITIZE_UNDEFINED): New macro.
libcpp/
PR target/65261
* lex.c (search_line_fast): Silence ubsan errors.
OK for the trunk.
jeff
