re PR target/27650 (internal compiler error while compiling Gecode)

	PR target/27650
	* class.c (check_for_override): Remove dllimport from virtual
	methods.

From-SVN: r117096

gcc/cp/ChangeLog

+2006-09-20  Danny Smith  <dannysmith@users.sourceforge.net>
+
+	PR target/27650
+	* class.c (check_for_override): Remove dllimport from virtual
+	methods.
+
 2006-09-18  Steven Bosscher  <steven@gcc.gnu.org>
 
 	PR c++/29087

gcc/cp/class.c

@@ -2342,6 +2342,16 @@ check_for_override (tree decl, tree ctype)
       if (!DECL_VINDEX (decl))
 	DECL_VINDEX (decl) = error_mark_node;
       IDENTIFIER_VIRTUAL_P (DECL_NAME (decl)) = 1;
+      if (DECL_DLLIMPORT_P (decl))
+	{
+	  /* When we handled the dllimport attribute we may not have known
+	     that this function is virtual   We can't use dllimport
+	     semantics for a virtual method because we need to initialize
+	     the vtable entry with a constant address.  */
+	  DECL_DLLIMPORT_P (decl) = 0;
+	  DECL_ATTRIBUTES (decl)
+	    = remove_attribute ("dllimport", DECL_ATTRIBUTES (decl));
+	}
     }
 }