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cmd/compile: fix ICE with parenthesized builtin calls

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CL 419456 starts using lookupObj to find types2.Object associated with
builtin functions. However, the new code does not un-parenthesized the
callee expression, causing an ICE because of nil obj returned.

Un-parenthesizing the callee expression fixes the problem.

Fixes #63436

Change-Id: Iebb4fbc08575e7d0b1dbd026c98e8f949ca16460
Reviewed-on: https://go-review.googlesource.com/c/go/+/533476
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Cuong Manh Le 2023-10-07 22:54:50 +07:00 committed by Gopher Robot
parent f711892a8a
commit 2744155d36
2 changed files with 10 additions and 1 deletions
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2
src/cmd/compile/internal/noder/writer.go
View File

@ -1909,7 +1909,7 @@ func (w *writer) expr(expr syntax.Expr) {
var rtype types2.Type
if tv.IsBuiltin() {
switch obj, _ := lookupObj(w.p, expr.Fun); obj.Name() {
switch obj, _ := lookupObj(w.p, syntax.Unparen(expr.Fun)); obj.Name() {
case "make":
assert(len(expr.ArgList) >= 1)
assert(!expr.HasDots)

9
test/fixedbugs/issue63436.go Normal file
View File

@ -0,0 +1,9 @@
// compile
// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package p
var _ = (new)(int)