compiler: Always re-lower lowered expressions.

From-SVN: r183530

diff --git a/gcc/go/gofrontend/gogo.cc b/gcc/go/gofrontend/gogo.cc
index 2fd1219d9dbe26c4ea245c4bbdbd40de629e6aa2..af396dd497209b99c47510330398b569ca3d01f2 100644 (file)
--- a/gcc/go/gofrontend/gogo.cc
+++ b/gcc/go/gofrontend/gogo.cc
@@ -1520,6 +1520,8 @@ Lower_parse_tree::expression(Expression** pexpr)
                                  &this->inserter_, this->iota_value_);
       if (enew == e)
        break;
+      if (enew->traverse_subexpressions(this) == TRAVERSE_EXIT)
+       return TRAVERSE_EXIT;
       *pexpr = enew;
     }
   return TRAVERSE_SKIP_COMPONENTS;