diff options
| -rw-r--r-- | include/ChangeLog | 5 | ||||
| -rw-r--r-- | include/ansidecl.h | 9 | ||||
| -rw-r--r-- | libcpp/ChangeLog | 5 | ||||
| -rw-r--r-- | libcpp/lex.c | 1 |
4 files changed, 20 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index 689873b26b3..bd072ae59b4 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,8 @@ +2015-03-02 Markus Trippelsdorf <markus@trippelsdorf.de> + + PR target/65261 + * ansidecl.h (ATTRIBUTE_NO_SANITIZE_UNDEFINED): New macro. + 2015-02-19 Pedro Alves <palves@redhat.com> * floatformat.h [__cplusplus]: Wrap in extern "C". diff --git a/include/ansidecl.h b/include/ansidecl.h index 0fb23bba792..04d75c33f74 100644 --- a/include/ansidecl.h +++ b/include/ansidecl.h @@ -276,6 +276,15 @@ So instead we use the macro below and test it against specific values. */ # endif /* GNUC >= 4.3 */ #endif /* ATTRIBUTE_HOT */ +/* Attribute 'no_sanitize_undefined' was valid as of gcc 4.9. */ +#ifndef ATTRIBUTE_NO_SANITIZE_UNDEFINED +# if (GCC_VERSION >= 4009) +# define ATTRIBUTE_NO_SANITIZE_UNDEFINED __attribute__ ((no_sanitize_undefined)) +# else +# define ATTRIBUTE_NO_SANITIZE_UNDEFINED +# endif /* GNUC >= 4.9 */ +#endif /* ATTRIBUTE_NO_SANITIZE_UNDEFINED */ + /* We use __extension__ in some places to suppress -pedantic warnings about GCC extensions. This feature didn't work properly before gcc 2.8. */ diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog index 325f7060963..2d84835b7b7 100644 --- a/libcpp/ChangeLog +++ b/libcpp/ChangeLog @@ -1,3 +1,8 @@ +2015-03-02 Markus Trippelsdorf <markus@trippelsdorf.de> + + PR target/65261 + * lex.c (search_line_fast): Silence ubsan errors. + 2015-02-03 <dodji@redhat.com> PR preprocessor/64803 diff --git a/libcpp/lex.c b/libcpp/lex.c index 4638510166f..0dc47371183 100644 --- 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) { |