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-rw-r--r--rts/sm/MarkWeak.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/rts/sm/MarkWeak.c b/rts/sm/MarkWeak.c
index e7dfd6e57c..c7a87a2d76 100644
--- a/rts/sm/MarkWeak.c
+++ b/rts/sm/MarkWeak.c
@@ -359,7 +359,7 @@ static void tidyThreadList (generation *gen)
}
}
-#ifdef DEBUG
+#if defined(DEBUG)
static void checkWeakPtrSanity(StgWeak *hd, StgWeak *tl)
{
StgWeak *w, *prev;
@@ -411,7 +411,7 @@ markWeakPtrList ( void )
for (w = gen->weak_ptr_list; w != NULL; w = w->link) {
// w might be WEAK, EVACUATED, or DEAD_WEAK (actually CON_STATIC) here
-#ifdef DEBUG
+#if defined(DEBUG)
{ // careful to do this assertion only reading the info ptr
// once, because during parallel GC it might change under our feet.
const StgInfoTable *info;