diff options
Diffstat (limited to 'src/cmd/compile/internal/importer/iimport.go')
| -rw-r--r-- | src/cmd/compile/internal/importer/iimport.go | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/src/cmd/compile/internal/importer/iimport.go b/src/cmd/compile/internal/importer/iimport.go index 38cb8db2355..a92720d52e2 100644 --- a/src/cmd/compile/internal/importer/iimport.go +++ b/src/cmd/compile/internal/importer/iimport.go @@ -72,7 +72,7 @@ const ( structType interfaceType typeParamType - instType + instanceType unionType ) @@ -314,21 +314,21 @@ func (r *importReader) obj(name string) { tparams = r.tparamList() } sig := r.signature(nil) - sig.SetTParams(tparams) + sig.SetTypeParams(tparams) r.declare(types2.NewFunc(pos, r.currPkg, name, sig)) case 'T', 'U': - var tparams []*types2.TypeParam - if tag == 'U' { - tparams = r.tparamList() - } - // Types can be recursive. We need to setup a stub // declaration before recursing. obj := types2.NewTypeName(pos, r.currPkg, name, nil) named := types2.NewNamed(obj, nil, nil) - named.SetTParams(tparams) + // Declare obj before calling r.tparamList, so the new type name is recognized + // if used in the constraint of one of its own typeparams (see #48280). r.declare(obj) + if tag == 'U' { + tparams := r.tparamList() + named.SetTypeParams(tparams) + } underlying := r.p.typAt(r.uint64(), named).Underlying() named.SetUnderlying(underlying) @@ -343,13 +343,13 @@ func (r *importReader) obj(name string) { // If the receiver has any targs, set those as the // rparams of the method (since those are the // typeparams being used in the method sig/body). - targs := baseType(msig.Recv().Type()).TArgs() + targs := baseType(msig.Recv().Type()).TypeArgs() if targs.Len() > 0 { rparams := make([]*types2.TypeParam, targs.Len()) for i := range rparams { rparams[i] = types2.AsTypeParam(targs.At(i)) } - msig.SetRParams(rparams) + msig.SetRecvTypeParams(rparams) } named.AddMethod(types2.NewFunc(mpos, r.currPkg, mname, msig)) @@ -365,7 +365,7 @@ func (r *importReader) obj(name string) { } name0, sub := parseSubscript(name) tn := types2.NewTypeName(pos, r.currPkg, name0, nil) - t := (*types2.Checker)(nil).NewTypeParam(tn, nil) + t := types2.NewTypeParam(tn, nil) if sub == 0 { errorf("missing subscript") } @@ -646,7 +646,7 @@ func (r *importReader) doType(base *types2.Named) types2.Type { r.p.doDecl(pkg, name) return r.p.tparamIndex[id] - case instType: + case instanceType: if r.p.exportVersion < iexportVersionGenerics { errorf("unexpected instantiation type") } @@ -661,7 +661,7 @@ func (r *importReader) doType(base *types2.Named) types2.Type { baseType := r.typ() // The imported instantiated type doesn't include any methods, so // we must always use the methods of the base (orig) type. - // TODO provide a non-nil *Checker + // TODO provide a non-nil *Environment t, _ := types2.Instantiate(nil, baseType, targs, false) return t |