minor fix in gc-debug

src/gc-debug.c

@@ -198,7 +198,6 @@ static void restore(void)
 
 static void gc_verify_track(jl_ptls_t ptls)
 {
-#ifdef DFS_MARK
     do {
         jl_gc_markqueue_t mq;
         mq.current = mq.start = (ptls->mark_queue).start;
@@ -213,7 +212,7 @@ static void gc_verify_track(jl_ptls_t ptls)
             gc_mark_finlist(&mq, &ptls2->finalizers, 0);
         }
         gc_mark_finlist(&mq, &finalizer_list_marked, 0);
-        _gc_mark_loop(ptls, &mq);
+        gc_mark_loop_(ptls, &mq);
         if (lostval_parents.len == 0) {
             jl_safe_printf("Could not find the missing link. We missed a toplevel root. This is odd.\n");
             break;
@@ -243,12 +242,10 @@ static void gc_verify_track(jl_ptls_t ptls)
         }
         restore();
     } while(lostval != NULL);
-#endif
 }
 
 void gc_verify(jl_ptls_t ptls)
 {
-#ifdef DFS_MARK
     jl_gc_markqueue_t mq;
     mq.current = mq.start = (ptls->mark_queue).start;
     mq.end = (ptls->mark_queue).end;
@@ -264,7 +261,7 @@ void gc_verify(jl_ptls_t ptls)
         gc_mark_finlist(&mq, &ptls2->finalizers, 0);
     }
     gc_mark_finlist(&mq, &finalizer_list_marked, 0);
-    _gc_mark_loop(ptls, &mq);
+    gc_mark_loop_(ptls, &mq);
     int clean_len = bits_save[GC_CLEAN].len;
     for(int i = 0; i < clean_len + bits_save[GC_OLD].len; i++) {
         jl_taggedvalue_t *v = (jl_taggedvalue_t*)bits_save[i >= clean_len ? GC_OLD : GC_CLEAN].items[i >= clean_len ? i - clean_len : i];
@@ -289,8 +286,6 @@ void gc_verify(jl_ptls_t ptls)
     jl_gc_debug_critical_error();
     abort();
 #endif
-}
-#endif
 
 #ifdef MEMFENCE
 static uint8_t freelist_map[GC_PAGE_SZ / sizeof(void*) / 8];
@@ -1276,7 +1271,6 @@ int gc_slot_to_arrayidx(void *obj, void *_slot)
 // `offset` will be added to `mq->current` for convenience in the debugger.
 NOINLINE void gc_mark_loop_unwind(jl_ptls_t ptls, jl_gc_markqueue_t *mq, int offset)
 {
-#ifdef DFS_MARK
     jl_jmp_buf *old_buf = jl_get_safe_restore();
     jl_jmp_buf buf;
     jl_set_safe_restore(&buf);
@@ -1295,7 +1289,6 @@ NOINLINE void gc_mark_loop_unwind(jl_ptls_t ptls, jl_gc_markqueue_t *mq, int off
         jl_((void*)(jl_datatype_t *)(o->header & ~(uintptr_t)0xf));
     }
     jl_set_safe_restore(old_buf);
-#endif
 }
 
 static int gc_logging_enabled = 0;