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-rw-r--r--src/cmd/compile/internal/liveness/plive.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/liveness/plive.go b/src/cmd/compile/internal/liveness/plive.go
index 63c85ea26d..4659d10460 100644
--- a/src/cmd/compile/internal/liveness/plive.go
+++ b/src/cmd/compile/internal/liveness/plive.go
@@ -427,7 +427,7 @@ func newliveness(fn *ir.Func, f *ssa.Func, vars []*ir.Name, idx map[*ir.Name]int
nblocks := int32(len(f.Blocks))
nvars := int32(len(vars))
- bulk := bitvec.NewBulk(nvars, nblocks*7, fn.Pos())
+ bulk := bitvec.NewBulk(nvars, nblocks*4, fn.Pos())
for _, b := range f.Blocks {
be := lv.blockEffects(b)