[Emacs-diffs] /srv/bzr/emacs/trunk r108757: alloc.c (mark_memory): Do not check with -faddress-sanitizer when

[jwiegley]

------------------------------------------------------------
revno: 108757
committer: address@hidden
branch nick: trunk
timestamp: Tue 2012-06-26 22:49:35 -0500
message:
  alloc.c (mark_memory): Do not check with -faddress-sanitizer when
  building with Clang.
modified:
  src/ChangeLog
  src/alloc.c

=== modified file 'src/ChangeLog'
--- a/src/ChangeLog     2012-06-26 23:09:09 +0000
+++ b/src/ChangeLog     2012-06-27 03:49:35 +0000
@@ -1,3 +1,8 @@
+2012-06-26  John Wiegley  <address@hidden>
+
+       * alloc.c (mark_memory): Do not check with -faddress-sanitizer
+       when building with Clang.
+
 2012-06-26  Stefan Monnier  <address@hidden>
 
        * eval.c (Fapply): Allow calling it with a single argument.

=== modified file 'src/alloc.c'
--- a/src/alloc.c       2012-06-26 14:41:01 +0000
+++ b/src/alloc.c       2012-06-27 03:49:35 +0000
@@ -4621,6 +4621,12 @@
 
 static void
 mark_memory (void *start, void *end)
+#ifdef __clang__
+  /* 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
 {
   void **pp;
   int i;