Update debugging macro for lazy fromspace alloc.

Also make it dump out the pointer in question.
MoarVM · Apr 20, 2016 · 5ac981d · 5ac981d
1 parent b625398
commit 5ac981d
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/gc/debug.h b/src/gc/debug.h
@@ -2,7 +2,8 @@
  * debugging. */
 
 #define MVM_ASSERT_NOT_FROMSPACE(tc, c) do { \
-    if ((char *)(c) >= (char *)tc->nursery_fromspace && \
+    if (tc->nursery_fromspace && \
+            (char *)(c) >= (char *)tc->nursery_fromspace && \
             (char *)(c) < (char *)tc->nursery_fromspace + MVM_NURSERY_SIZE) \
-        MVM_exception_throw_adhoc(tc, "Collectable in fromspace accessed"); \
+        MVM_exception_throw_adhoc(tc, "Collectable %p in fromspace accessed", c); \
 } while (0)