From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Fri, 28 Mar 2014 05:20:48 +0000 (+0000)
Subject: re PR other/59545 (Signed integer overflow issues)
X-Git-Tag: releases/gcc-4.9.0~261
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3700e94730ea1cc5fe9db522607d6a23b3667a55;p=thirdparty%2Fgcc.git

re PR other/59545 (Signed integer overflow issues)

	PR other/59545
compiler: Fix bogus invalid static_cast to Unary_expression.

From-SVN: r208888
---

diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index 643a233ba004..f45b4a227096 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -4262,8 +4262,12 @@ Unary_expression::do_get_tree(Translate_context* context)
 
           go_assert(!this->expr_->is_composite_literal()
                     || this->expr_->is_immutable());
-          Unary_expression* ue = static_cast<Unary_expression*>(this->expr_);
-          go_assert(ue == NULL || ue->op() != OPERATOR_AND);
+	  if (this->expr_->classification() == EXPRESSION_UNARY)
+	    {
+	      Unary_expression* ue =
+		static_cast<Unary_expression*>(this->expr_);
+	      go_assert(ue->op() != OPERATOR_AND);
+	    }
 	}
 
       // Build a decl for a constant constructor.