rs6000.c (rs6000_stack_info): Only do eabi setup for "main"...

	* rs6000/rs6000.c (rs6000_stack_info): Only do eabi setup for "main",
	when main is the global main, not some nested routine that
	happens to be called main.

From-SVN: r14072

gcc/config/rs6000/rs6000.c

@@ -3032,7 +3032,8 @@ rs6000_stack_info ()
   if (TARGET_EABI)
 #endif
     {
-      if (strcmp (IDENTIFIER_POINTER (DECL_NAME (current_function_decl)), "main") == 0)
+      if (strcmp (IDENTIFIER_POINTER (DECL_NAME (current_function_decl)), "main") == 0
+	  && DECL_CONTEXT (current_function_decl) == NULL_TREE)
 	{
 	  info_ptr->main_p = 1;