malloc bug fixes.

use malloc by default.
free stacks.

R=r
DELTA=424  (333 added, 29 deleted, 62 changed)
OCL=21553
CL=21584

1 files changed, 3 insertions, 1 deletions

diff --git a/test/mallocrep.go b/test/mallocrep.go
index 2911b4a05..8373cc0eb 100644
--- a/test/mallocrep.go
+++ b/test/mallocrep.go
@@ -31,15 +31,17 @@ func bigger() {
 
 func main() {
 	flag.Parse();
+	malloc.GetStats().alloc = 0;	// ignore stacks
 	for i := 0; i < 1<<8; i++ {
 		for j := 1; j <= 1<<22; j<<=1 {
 			if i == 0 && chatty {
 				println("First alloc:", j);
 			}
 			b := malloc.Alloc(uint64(j));
+			during := malloc.GetStats().alloc;
 			malloc.Free(b);
 			if a := malloc.GetStats().alloc; a != 0 {
-				panicln("malloc wrong count", a);
+				panicln("malloc wrong count", a, "after", j, "during", during);
 			}
 			bigger();
 		}