From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Tue, 21 Dec 2010 23:33:51 +0000 (+0000)
Subject: Don't permit assigning abstract string/bool to numeric variable.
X-Git-Tag: releases/gcc-4.6.0~1687
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a8f3a62df168583299b417adf67abc55edd79f0f;p=thirdparty%2Fgcc.git

Don't permit assigning abstract string/bool to numeric variable.

From-SVN: r168145
---

diff --git a/gcc/go/gofrontend/types.cc b/gcc/go/gofrontend/types.cc
index 11a561dac2d5..8d4730ee423a 100644
--- a/gcc/go/gofrontend/types.cc
+++ b/gcc/go/gofrontend/types.cc
@@ -543,15 +543,17 @@ Type::are_assignable(const Type* lhs, const Type* rhs, std::string* reason)
 	  || lhs->interface_type() != NULL))
     return true;
 
-  // An untyped constant may be assigned to a numeric type if it is
-  // representable in that type.
-  if (rhs->is_abstract()
+  // An untyped numeric constant may be assigned to a numeric type if
+  // it is representable in that type.
+  if ((rhs->is_abstract()
+       && (rhs->integer_type() != NULL
+	   || rhs->float_type() != NULL
+	   || rhs->complex_type() != NULL))
       && (lhs->integer_type() != NULL
 	  || lhs->float_type() != NULL
 	  || lhs->complex_type() != NULL))
     return true;
 
-
   // Give some better error messages.
   if (reason != NULL && reason->empty())
     {