diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cmd/compile/internal/noder/writer.go | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/cmd/compile/internal/noder/writer.go b/src/cmd/compile/internal/noder/writer.go index 72c7a1fc86..178c3eb1a9 100644 --- a/src/cmd/compile/internal/noder/writer.go +++ b/src/cmd/compile/internal/noder/writer.go @@ -123,14 +123,25 @@ func (pw *pkgWriter) unexpected(what string, p poser) { } func (pw *pkgWriter) typeAndValue(x syntax.Expr) syntax.TypeAndValue { - tv := x.GetTypeInfo() - if tv.Type == nil { + tv, ok := pw.maybeTypeAndValue(x) + if !ok { pw.fatalf(x, "missing Types entry: %v", syntax.String(x)) } return tv } + func (pw *pkgWriter) maybeTypeAndValue(x syntax.Expr) (syntax.TypeAndValue, bool) { tv := x.GetTypeInfo() + + // If x is a generic function whose type arguments are inferred + // from assignment context, then we need to find its inferred type + // in Info.Instances instead. + if name, ok := x.(*syntax.Name); ok { + if inst, ok := pw.info.Instances[name]; ok { + tv.Type = inst.Type + } + } + return tv, tv.Type != nil } |