From: Keith Randall <khr@golang.org>
Date: Sun, 1 May 2016 05:28:37 +0000 (-0700)
Subject: cmd/compile: fix reslice
X-Git-Tag: go1.7beta1~373
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=ade0eb2f0689b4d88d425451387c516013fd4b20;p=gostls13.git

cmd/compile: fix reslice

:= is the wrong thing here.  The new variable masks the old
variable so we allocate the slice afresh each time around the loop.

Change-Id: I759c30e1bfa88f40decca6dd7d1e051e14ca0844
Reviewed-on: https://go-review.googlesource.com/22679
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Minux Ma <minux@golang.org>
---

diff --git a/src/cmd/compile/internal/ssa/regalloc.go b/src/cmd/compile/internal/ssa/regalloc.go
index 65c25dfc5a..909ccf41d4 100644
--- a/src/cmd/compile/internal/ssa/regalloc.go
+++ b/src/cmd/compile/internal/ssa/regalloc.go
@@ -2065,7 +2065,7 @@ func (s *regAllocState) computeLive() {
 
 			// Propagate backwards to the start of the block
 			// Assumes Values have been scheduled.
-			phis := phis[:0]
+			phis = phis[:0]
 			for i := len(b.Values) - 1; i >= 0; i-- {
 				v := b.Values[i]
 				live.remove(v.ID)