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author | John Wiegley <johnw@newartisans.com> | 2012-07-11 01:14:27 -0500 |
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committer | John Wiegley <johnw@newartisans.com> | 2012-07-11 01:14:27 -0500 |
commit | b41253a389afdffde3d2551e4c165f0ebbafdf89 (patch) | |
tree | 772126439a523aa0e2d961a232d7e25a3aae5e92 /src | |
parent | d923b542aa2d115bb87e72e156be837cea752536 (diff) | |
download | emacs-b41253a389afdffde3d2551e4c165f0ebbafdf89.tar.gz |
alloc.c (mark_memory): Guard the "no_address_safety_analysis" function
attribute, so we only use it if it exists in the compiler.
Diffstat (limited to 'src')
-rw-r--r-- | src/ChangeLog | 6 | ||||
-rw-r--r-- | src/alloc.c | 4 |
2 files changed, 9 insertions, 1 deletions
diff --git a/src/ChangeLog b/src/ChangeLog index 8a6dc8644b8..64a7989a70f 100644 --- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,3 +1,9 @@ +2012-07-11 John Wiegley <johnw@newartisans.com> + + * alloc.c (mark_memory): Guard the "no_address_safety_analysis" + function attribute, so we only use it if it exists in the + compiler. + 2012-07-11 Dmitry Antipov <dmantipov@yandex.ru> Avoid call to strlen in fast_c_string_match_ignore_case. diff --git a/src/alloc.c b/src/alloc.c index 89f2c5dbed1..ac200254b8c 100644 --- a/src/alloc.c +++ b/src/alloc.c @@ -4641,12 +4641,14 @@ mark_maybe_pointer (void *p) static void mark_memory (void *start, void *end) -#ifdef __clang__ +#if defined (__clang__) && defined (__has_feature) +#if __has_feature(address_sanitizer) /* Do not allow -faddress-sanitizer to check this function, since it crosses the function stack boundary, and thus would yield many false positives. */ __attribute__((no_address_safety_analysis)) #endif +#endif { void **pp; int i; |