typing: skip error message when dealing with bottom types

[nit.git] / src / semantize / typing.nit

diff --git a/src/semantize/typing.nit b/src/semantize/typing.nit
index 8a23a73..b4599d0 100644 (file)
--- a/src/semantize/typing.nit
+++ b/src/semantize/typing.nit
@@ -117,6 +117,7 @@ private class TypeVisitor
                        #node.debug("Unsafe typing: expected {sup}, got {sub}")
                        return sup
                end
+               if sup isa MBottomType then return null # Skip error
                if sub.need_anchor then
                        var u = anchor_to(sub)
                        self.modelbuilder.error(node, "Type Error: expected `{sup}`, got `{sub}: {u}`.")
@@ -1134,6 +1135,7 @@ redef class AForExpr
                        var mtype = v.visit_expr(g.n_expr)
                        if mtype == null then return
                        g.do_type_iterator(v, mtype)
+                       if g.is_broken then is_broken = true
                end
 
                v.visit_stmt(n_block)