* decl2.c (comdat_linkage): Treat vtables like functions.

From-SVN: r25985

gcc/cp/ChangeLog

+1999-03-25  Jason Merrill  <jason@yorick.cygnus.com>
+
+	* decl2.c (comdat_linkage): Treat vtables like functions.
+
 1999-03-25  Mark Mitchell  <mark@codesourcery.com>
 
 	* pt.c (tsubst_decl): Tsubst into DECL_BEFRIENDING_CLASSES.

gcc/cp/decl2.c

@@ -2370,10 +2370,14 @@ comdat_linkage (decl)
 {
   if (flag_weak)
     make_decl_one_only (decl);
-  else if (TREE_CODE (decl) == FUNCTION_DECL)
+  else if (TREE_CODE (decl) == FUNCTION_DECL || DECL_VIRTUAL_P (decl))
+    /* We can just emit functions and vtables statically; it doesn't really
+       matter if we have multiple copies.  */
     TREE_PUBLIC (decl) = 0;
   else
     {
+      /* Static data member template instantiations, however, cannot
+	 have multiple copies.  */
       if (DECL_INITIAL (decl) == 0
 	  || DECL_INITIAL (decl) == error_mark_node)
 	DECL_COMMON (decl) = 1;