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-rw-r--r--src/cmd/compile/internal/ssa/writebarrier.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/ssa/writebarrier.go b/src/cmd/compile/internal/ssa/writebarrier.go
index 1eb4d7bb1a..054ba1f85c 100644
--- a/src/cmd/compile/internal/ssa/writebarrier.go
+++ b/src/cmd/compile/internal/ssa/writebarrier.go
@@ -35,7 +35,7 @@ func writebarrier(f *Func) {
valueLoop:
for i, v := range b.Values {
switch v.Op {
- case OpStoreWB, OpMoveWB, OpMoveWBVolatile:
+ case OpStoreWB, OpMoveWB, OpMoveWBVolatile, OpZeroWB:
if IsStackAddr(v.Args[0]) {
switch v.Op {
case OpStoreWB: