From: Simon Marlow <simonmar@microsoft.com>
Date: Fri, 23 Jun 2006 09:20:44 +0000 (+0000)
Subject: fix a couple of bugs in markSparkQueue (#799)
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=e2eebc0d70de13de6d58e2af89f90ec71e54375c

fix a couple of bugs in markSparkQueue (#799)
---

diff --git a/rts/Sparks.c b/rts/Sparks.c
index 68ad19d..c7a1c9f 100644
--- a/rts/Sparks.c
+++ b/rts/Sparks.c
@@ -129,13 +129,15 @@ markSparkQueue (evac_fn evac)
 	sparkp = pool->hd;
 	to_sparkp = pool->hd;
 	while (sparkp != pool->tl) {
-	    ASSERT(to_sparkp<=sparkp);
 	    ASSERT(*sparkp!=NULL);
 	    ASSERT(LOOKS_LIKE_CLOSURE_PTR(((StgClosure *)*sparkp)));
 	    // ToDo?: statistics gathering here (also for GUM!)
 	    if (closure_SHOULD_SPARK(*sparkp)) {
 		evac(sparkp);
 		*to_sparkp++ = *sparkp;
+		if (to_sparkp == pool->lim) {
+		    to_sparkp = pool->base;
+		}
 		n++;
 	    } else {
 		pruned_sparks++;