diff options
Diffstat (limited to 'src/cmd/compile/internal/types2/predicates.go')
| -rw-r--r-- | src/cmd/compile/internal/types2/predicates.go | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/src/cmd/compile/internal/types2/predicates.go b/src/cmd/compile/internal/types2/predicates.go index 3ccafef990c..74ad3da72cb 100644 --- a/src/cmd/compile/internal/types2/predicates.go +++ b/src/cmd/compile/internal/types2/predicates.go @@ -21,7 +21,7 @@ func isNamed(typ Type) bool { func isGeneric(typ Type) bool { // A parameterized type is only instantiated if it doesn't have an instantiation already. named, _ := typ.(*Named) - return named != nil && named.obj != nil && named.targs == nil && named.TParams() != nil + return named != nil && named.obj != nil && named.targs == nil && named.TypeParams() != nil } func is(typ Type, what BasicInfo) bool { @@ -220,11 +220,18 @@ func identical(x, y Type, cmpTags bool, p *ifacePair) bool { // parameter names. if y, ok := y.(*Signature); ok { return x.variadic == y.variadic && - identicalTParams(x.TParams().list(), y.TParams().list(), cmpTags, p) && + identicalTParams(x.TypeParams().list(), y.TypeParams().list(), cmpTags, p) && identical(x.params, y.params, cmpTags, p) && identical(x.results, y.results, cmpTags, p) } + case *Union: + if y, _ := y.(*Union); y != nil { + xset := computeUnionTypeSet(nil, nopos, x) + yset := computeUnionTypeSet(nil, nopos, y) + return xset.terms.equal(yset.terms) + } + case *Interface: // Two interface types are identical if they describe the same type sets. // With the existing implementation restriction, this simplifies to: @@ -302,11 +309,8 @@ func identical(x, y Type, cmpTags bool, p *ifacePair) bool { // Two named types are identical if their type names originate // in the same type declaration. if y, ok := y.(*Named); ok { - x.expand(nil) - y.expand(nil) - - xargs := x.TArgs().list() - yargs := y.TArgs().list() + xargs := x.TypeArgs().list() + yargs := y.TypeArgs().list() if len(xargs) != len(yargs) { return false |