lockable: workaround GCC link issue with ASAN

Current GCC has an optimization bug when compiling with ASAN.

See also GCC bug:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84307

Signed-off-by: Marc-André Lureau <[email protected]>
Message-Id: <20180215212552[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>

diff --git a/include/qemu/lockable.h b/include/qemu/lockable.h
index b6ed6c89ec745d4a05b9c39c88de9d2010cbe335..84ea794bcf616f7f06f85f342bbb60652ad45371 100644 (file)
--- a/include/qemu/lockable.h
+++ b/include/qemu/lockable.h
@@ -28,7 +28,7 @@ struct QemuLockable {
  * to QEMU_MAKE_LOCKABLE.  For optimized builds, we can rely on dead-code elimination
  * from the compiler, and give the errors already at link time.
  */
-#ifdef __OPTIMIZE__
+#if defined(__OPTIMIZE__) && !defined(__SANITIZE_ADDRESS__)
 void unknown_lock_type(void *);
 #else
 static inline void unknown_lock_type(void *unused)