[libc] Restore LIBC_HAVE_ADDRESS_SANITIZER as it is used by some tests

MaskRay · MaskRay · commit b1e03d3d2960 · 2024-07-10T16:58:25.000-07:00
Follow-up to #98402
diff --git a/libc/src/__support/macros/sanitizer.h b/libc/src/__support/macros/sanitizer.h
@@ -28,6 +28,7 @@
 #endif
 
 #if LIBC_HAS_FEATURE(address_sanitizer)
+#define LIBC_HAVE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #define ASAN_POISON_MEMORY_REGION(addr, size)                                  \
   __asan_poison_memory_region((addr), (size))
