2013-05-06  Jakub Jelinek  <jakub@redhat.com>

	* gcc.c (SANITIZER_SPEC): Reject -fsanitize=address -fsanitize=thread
	linking.

--- gcc/gcc.c.jj	2013-04-15 16:55:04.000000000 +0200
+++ gcc/gcc.c	2013-05-06 17:25:42.306455151 +0200
@@ -716,7 +716,8 @@ proper position among the other output f
 #ifndef SANITIZER_SPEC
 #define SANITIZER_SPEC "\
 %{!nostdlib:%{!nodefaultlibs:%{fsanitize=address:" LIBASAN_SPEC "\
-    %{static:%ecannot specify -static with -fsanitize=address}}\
+    %{static:%ecannot specify -static with -fsanitize=address}\
+    %{fsanitize=thread:%e-fsanitize=address is incompatible with -fsanitize=thread}}\
     %{fsanitize=thread:" LIBTSAN_SPEC "\
     %{!pie:%{!shared:%e-fsanitize=thread linking must be done with -pie or -shared}}}}}"
 #endif