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| author | Robert Griesemer <gri@golang.org> | 2023-07-20 15:45:24 -0700 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2023-07-21 00:34:06 +0000 |
| commit | 8abc6e25979ee75e6e01086b94d456255fbe6a4e (patch) | |
| tree | 7de5d1c9cad30b5dd582257ca621af9141ef17e8 /src | |
| parent | 4f4c23512e2d5cddfa7024a7e9c217ba357b9978 (diff) | |
| download | go-8abc6e25979ee75e6e01086b94d456255fbe6a4e.tar.xz | |
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>
Diffstat (limited to 'src')
| -rw-r--r-- | src/cmd/compile/internal/types2/builtins.go | 5 | ||||
| -rw-r--r-- | src/go/types/builtins.go | 5 | ||||
| -rw-r--r-- | src/internal/types/testdata/fixedbugs/issue61486.go | 9 |
3 files changed, 19 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/types2/builtins.go b/src/cmd/compile/internal/types2/builtins.go index f3763862ec..7a209e7a97 100644 --- a/src/cmd/compile/internal/types2/builtins.go +++ b/src/cmd/compile/internal/types2/builtins.go @@ -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. diff --git a/src/go/types/builtins.go b/src/go/types/builtins.go index 4aee3979d0..35b8755a91 100644 --- a/src/go/types/builtins.go +++ b/src/go/types/builtins.go @@ -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. diff --git a/src/internal/types/testdata/fixedbugs/issue61486.go b/src/internal/types/testdata/fixedbugs/issue61486.go new file mode 100644 index 0000000000..b12a800f0d --- /dev/null +++ b/src/internal/types/testdata/fixedbugs/issue61486.go @@ -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) +} |