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cmd/compile: change unsafeUintptrTag from var to const 

Change-Id: Ie30878199e24cce5b75428e6b602c017ebd16642
Reviewed-on: https://go-review.googlesource.com/102175
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
This commit is contained in:
Matthew Dempsky 2018-03-22 11:18:24 -07:00
parent 0b37f05d8d
commit 50921bfa2e
1 changed files with 1 additions and 3 deletions
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4
src/cmd/compile/internal/gc/esc.go
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@ -2168,9 +2168,7 @@ func moveToHeap(n *Node) {
// This special tag is applied to uintptr variables
// that we believe may hold unsafe.Pointers for
// calls into assembly functions.
// It is logically a constant, but using a var
// lets us take the address below to get a *string.
var unsafeUintptrTag = "unsafe-uintptr"
const unsafeUintptrTag = "unsafe-uintptr"
// This special tag is applied to uintptr parameters of functions
// marked go:uintptrescapes.