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Diffstat (limited to 'includes/Cmm.h')
-rw-r--r--includes/Cmm.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/includes/Cmm.h b/includes/Cmm.h
index 715d2b2b0f..d47e6fdaa6 100644
--- a/includes/Cmm.h
+++ b/includes/Cmm.h
@@ -407,9 +407,12 @@
#define BITMAP_BITS(bitmap) ((bitmap) >> BITMAP_BITS_SHIFT)
/* Debugging macros */
-#define LOOKS_LIKE_INFO_PTR(p) \
- ((p) != NULL && \
- (TO_W_(%INFO_TYPE(%STD_INFO(p))) != INVALID_OBJECT) && \
+#define LOOKS_LIKE_INFO_PTR(p) \
+ ((p) != NULL && \
+ LOOKS_LIKE_INFO_PTR_NOT_NULL(p))
+
+#define LOOKS_LIKE_INFO_PTR_NOT_NULL(p) \
+ ( (TO_W_(%INFO_TYPE(%STD_INFO(p))) != INVALID_OBJECT) && \
(TO_W_(%INFO_TYPE(%STD_INFO(p))) < N_CLOSURE_TYPES))
#define LOOKS_LIKE_CLOSURE_PTR(p) (LOOKS_LIKE_INFO_PTR(GET_INFO(UNTAG(p))))