Hi!
On 23/11/2021 01:26, Jeff Law via Gcc-patches wrote:
On 11/22/2021 10:22 AM, Marek Polacek via Gcc-patches wrote:
Let's hide [[likely]] behind a macro, to suppress warnings if the
compiler doesn't support it.
Co-authored-by: Jonathan Wakely <jwak...@redhat.com>
Bootstrapped/regtested on x86_64-pc-linux-gnu, ok for trunk?
PR preprocessor/103355
libcpp/ChangeLog:
* lex.c: Use ATTR_LIKELY instead of [[likely]].
* system.h (ATTR_LIKELY): Define.
OK
jeff
This patch breaks the build when the host compiler is gcc-4.8.5, because
__has_cpp_attribute is not defined.
Is this small patch OK with a proper ChangeLog?
diff --git a/libcpp/system.h b/libcpp/system.h
index f6fc583ab80..b78ab813d2f 100644
--- a/libcpp/system.h
+++ b/libcpp/system.h
@@ -430,6 +430,8 @@ extern void fancy_abort (const char *, int, const
char *) ATTRIBUTE_NORETURN;
# else
# define ATTR_LIKELY
# endif
+#else
+# define ATTR_LIKELY
#endif
/* Poison identifiers we do not want to use. */
Thanks,
Christophe
