diff options
Diffstat (limited to 'src/cmd/compile/internal/typecheck/iexport.go')
| -rw-r--r-- | src/cmd/compile/internal/typecheck/iexport.go | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/typecheck/iexport.go b/src/cmd/compile/internal/typecheck/iexport.go index 4fbc48f17b..b054c73ad8 100644 --- a/src/cmd/compile/internal/typecheck/iexport.go +++ b/src/cmd/compile/internal/typecheck/iexport.go @@ -1636,7 +1636,9 @@ func (w *exportWriter) expr(n ir.Node) { // (somewhat closely following the structure of exprfmt in fmt.go) case ir.ONIL: n := n.(*ir.NilExpr) - if !n.Type().HasNil() { + // If n is a typeparam, it will have already been checked + // for proper use by the types2 typechecker. + if !n.Type().IsTypeParam() && !n.Type().HasNil() { base.Fatalf("unexpected type for nil: %v", n.Type()) } w.op(ir.ONIL) |