(MAYBE_GC): Test gc_cons_threshold and gc_relative_threshold, one by one.

src/bytecode.c

@@ -355,13 +355,14 @@ unmark_byte_stack ()
 /* Garbage collect if we have consed enough since the last time.
    We do this at every branch, to avoid loops that never GC.  */
 
-#define MAYBE_GC()				     \
-  if (consing_since_gc > gc_cons_combined_threshold) \
-    {						     \
-      BEFORE_POTENTIAL_GC ();			     \
-      Fgarbage_collect ();			     \
-      AFTER_POTENTIAL_GC ();			     \
-    }						     \
+#define MAYBE_GC()					\
+  if (consing_since_gc > gc_cons_threshold		\
+      && consing_since_gc > gc_relative_threshold)	\
+    {							\
+      BEFORE_POTENTIAL_GC ();				\
+      Fgarbage_collect ();				\
+      AFTER_POTENTIAL_GC ();				\
+    }							\
   else
 
 /* Check for jumping out of range.  */