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go/types, types2: a min/max value argument must not be untyped

Fixes #61486.

Change-Id: I5770e238e44b724816894d914b3ea5dc78bc3ced
Reviewed-on: https://go-review.googlesource.com/c/go/+/511835
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
Run-TryBot: Robert Griesemer <gri@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
Robert Griesemer 2023-07-20 15:45:24 -07:00 committed by Gopher Robot
parent 4f4c23512e
commit 8abc6e2597
3 changed files with 19 additions and 0 deletions

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@ -576,6 +576,11 @@ func (check *Checker) builtin(x *operand, call *syntax.CallExpr, id builtinId) (
// If nargs == 1, make sure x.mode is either a value or a constant.
if x.mode != constant_ {
x.mode = value
// A value must not be untyped.
check.assignment(x, &emptyInterface, "argument to "+bin.name)
if x.mode == invalid {
return
}
}
// Use the final type computed above for all arguments.

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@ -575,6 +575,11 @@ func (check *Checker) builtin(x *operand, call *ast.CallExpr, id builtinId) (_ b
// If nargs == 1, make sure x.mode is either a value or a constant.
if x.mode != constant_ {
x.mode = value
// A value must not be untyped.
check.assignment(x, &emptyInterface, "argument to "+bin.name)
if x.mode == invalid {
return
}
}
// Use the final type computed above for all arguments.

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@ -0,0 +1,9 @@
// 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
func _(s uint) {
_ = min(1 << s)
}