pull across from gcc 4.1 tree:

>revision 1.2
>date: 2007/09/15 16:24:06;  author: christos;  state: Exp;  lines: +10 -0
>Add a hack to handle that the __stack_chk_fail_local call is not generated
>properly for pic code; more explained in the code.

external/gpl3/gcc/dist/gcc/targhooks.c

@@ -569,7 +569,17 @@ default_hidden_stack_protect_fail (void)
       DECL_ARTIFICIAL (t) = 1;
       DECL_IGNORED_P (t) = 1;
       DECL_VISIBILITY_SPECIFIED (t) = 1;
+#if 1
+      /*
+       * This is a hack:
+       * It appears that our gas does not generate @PLT for hidden
+       * symbols. It could be that we need a newer version, or that
+       * this local function is handled differently on linux.
+       */
+      DECL_VISIBILITY (t) = VISIBILITY_DEFAULT;
+#else
       DECL_VISIBILITY (t) = VISIBILITY_HIDDEN;
+#endif
 
       stack_chk_fail_decl = t;
     }