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cmd/compile: fix assert condition in generic method call

Fixes #53406.

Change-Id: If7ae39ec1042a792d82a0a2de96d168c22d8ab71
Reviewed-on: https://go-review.googlesource.com/c/go/+/412614
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Alex Rakoczy <alex@golang.org>
Auto-Submit: Alex Rakoczy <alex@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Wayne Zuo <wdvxdr@golangcn.org>
This commit is contained in:
Wayne Zuo 2022-06-16 11:05:39 +08:00 committed by Gopher Robot
parent 6bad7e8243
commit 4045b1bc3f
2 changed files with 31 additions and 3 deletions

View File

@ -208,9 +208,15 @@ func (g *genInst) scanForGenCalls(decl ir.Node) {
st := g.getInstantiation(gf, targs, true).fun
dictValue, usingSubdict := g.getDictOrSubdict(declInfo, n, gf, targs, true)
// We have to be using a subdictionary, since this is
// a generic method call.
assert(usingSubdict)
if hasShapeTypes(targs) {
// We have to be using a subdictionary, since this is
// a generic method call.
assert(usingSubdict)
} else {
// We should use main dictionary, because the receiver is
// an instantiation already, see issue #53406.
assert(!usingSubdict)
}
// Transform to a function call, by appending the
// dictionary and the receiver to the args.

View File

@ -0,0 +1,22 @@
// compile
// Copyright 2022 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 main
func main() {
f[int]()
}
func f[T1 any]() {
var x Outer[T1, int]
x.M()
}
type Outer[T1, T2 any] struct{ Inner[T2] }
type Inner[_ any] int
func (Inner[_]) M() {}