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cmd/compile: restore constant folding optimization within OADDSTR 

Change-Id: Ib55f2458c75aee49302f0dd4e2a819f9931a5ed3
Reviewed-on: https://go-review.googlesource.com/c/go/+/166982
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
This commit is contained in:
Matthew Dempsky 2019-02-27 18:27:13 -08:00
parent a1b5cb1d04
commit 0a04c0430e
1 changed files with 0 additions and 11 deletions
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11
src/cmd/compile/internal/gc/const.go
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@ -643,17 +643,6 @@ func evconst(n *Node) {
i2++
}
// Hack to appease toolstash. Because
// we were checking isGoConst early
// on, we wouldn't collapse adjacent
// string constants unless the entire
// string was a constant.
//
// TODO(mdempsky): Remove in next commit.
if i1 != 0 || i2 != len(s) {
return
}
nl := *s[i1]
nl.Orig = &nl
nl.SetVal(Val{strings.Join(strs, "")})