mirror of
https://github.com/golang/go
synced 2024-09-05 07:54:46 +00:00
[dev.typeparams] cmd/compile: fail early on unexpected types2.Invalid
In unified IR, fail right away if we find a types2.Invalid while writing out the package. This provides a clearer error message for https://github.com/golang/go/issues/25838#issuecomment-448746670. Updates #25838. Change-Id: I6902fdd891fc31bbb832b6fdba00eca301282409 Reviewed-on: https://go-review.googlesource.com/c/go/+/338973 Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Robert Griesemer <gri@golang.org>
This commit is contained in:
parent
e56234a305
commit
1b193598b3
|
@ -282,19 +282,23 @@ func (pw *pkgWriter) typIdx(typ types2.Type, dict *writerDict) typeInfo {
|
|||
base.Fatalf("unexpected type: %v (%T)", typ, typ)
|
||||
|
||||
case *types2.Basic:
|
||||
if kind := typ.Kind(); types2.Typ[kind] == typ {
|
||||
switch kind := typ.Kind(); {
|
||||
case kind == types2.Invalid:
|
||||
base.Fatalf("unexpected types2.Invalid")
|
||||
|
||||
case types2.Typ[kind] == typ:
|
||||
w.code(typeBasic)
|
||||
w.len(int(kind))
|
||||
break
|
||||
|
||||
default:
|
||||
// Handle "byte" and "rune" as references to their TypeName.
|
||||
obj := types2.Universe.Lookup(typ.Name())
|
||||
assert(obj.Type() == typ)
|
||||
|
||||
w.code(typeNamed)
|
||||
w.obj(obj, nil)
|
||||
}
|
||||
|
||||
// Handle "byte" and "rune" as references to their TypeName.
|
||||
obj := types2.Universe.Lookup(typ.Name())
|
||||
assert(obj.Type() == typ)
|
||||
|
||||
w.code(typeNamed)
|
||||
w.obj(obj, nil)
|
||||
|
||||
case *types2.Named:
|
||||
// Type aliases can refer to uninstantiated generic types, so we
|
||||
// might see len(TParams) != 0 && len(TArgs) == 0 here.
|
||||
|
|
Loading…
Reference in a new issue