compiler: fix method finalization of unnamed structs.

Used to trigger an ICE on
  var v struct{I}; type I interface{}

Updates issue 7.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@185932 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/go/gofrontend/gogo.cc b/gcc/go/gofrontend/gogo.cc
index 5fe5aea..ee68b69 100644 (file)
--- a/gcc/go/gofrontend/gogo.cc
+++ b/gcc/go/gofrontend/gogo.cc
@@ -1653,8 +1653,12 @@ Finalize_methods::type(Type* t)
       }
 
     case Type::TYPE_STRUCT:
       }
 
     case Type::TYPE_STRUCT:

+      // Traverse the field types first in case there is an embedded
+      // field with methods that the struct should inherit.
+      if (t->struct_type()->traverse_field_types(this) == TRAVERSE_EXIT)
+          return TRAVERSE_EXIT;

       t->struct_type()->finalize_methods(this->gogo_);
       t->struct_type()->finalize_methods(this->gogo_);

-      break;
+      return TRAVERSE_SKIP_COMPONENTS;

 
     default:
       break;
 
     default:
       break;