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cmd/compile: avoid collisions between statictmps and user vars

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Avoid name collisions between autogenerated statictmp variables and
user defined global variables.

Fixes #25113

Change-Id: I023eb42a5c2bd2f5352b046d33363faed87084dc
Reviewed-on: https://go-review.googlesource.com/c/142497
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Alessandro Arzilli 2018-10-16 16:11:59 +02:00 • committed by Brad Fitzpatrick
parent 2cdebb5174
commit 08831b150c
2 changed files with 2 additions and 2 deletions
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2
src/cmd/compile/internal/gc/sinit.go
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@ -568,7 +568,7 @@ var statuniqgen int // name generator for static temps
// returned node for readonly nodes.
func staticname(t *types.Type) *Node {
// Don't use lookupN; it interns the resulting string, but these are all unique.
n := newname(lookup(fmt.Sprintf("statictmp_%d", statuniqgen)))
n := newname(lookup(fmt.Sprintf(".stmp_%d", statuniqgen)))
statuniqgen++
addvar(n, t, PEXTERN)
return n