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cmd/compile: fix infinite recursion in isdirectiface

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Fixes #22904.

Change-Id: Id504504eda7275c10d3c665add8b7ccd23f65820
Reviewed-on: https://go-review.googlesource.com/80301
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Matthew Dempsky 2017-11-28 13:42:04 -08:00
parent 08b19a1c59
commit 71a9c4430f
2 changed files with 23 additions and 0 deletions
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4
src/cmd/compile/internal/gc/subr.go
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@ -2022,6 +2022,10 @@ func checknil(x *Node, init *Nodes) {
// Can this type be stored directly in an interface word?
// Yes, if the representation is a single pointer.
func isdirectiface(t *types.Type) bool {
if t.Broke() {
return false
}
switch t.Etype {
case TPTR32,
TPTR64,