+2003-04-21 Olivier Hainque <hainque@act-europe.fr>
+
+ * calls.c (expand_call): Prevent sibcall optimization for calls to
+ nested subprograms.
+
2003-04-21 Joel Brobecker <brobecker@gnat.com>
* dwarf2out.c (is_ada, is_ada_subrange_type): New functions.
optimized. */
|| (flags & (ECF_RETURNS_TWICE | ECF_LONGJMP | ECF_NORETURN))
|| TYPE_VOLATILE (TREE_TYPE (TREE_TYPE (addr)))
+ /* If the called function is nested in the current one, it might access
+ some of the caller's arguments, but could clobber them beforehand if
+ the argument areas are shared. */
+ || (fndecl && decl_function_context (fndecl) == current_function_decl)
/* If this function requires more stack slots than the current
function, we cannot change it into a sibling call. */
|| args_size.constant > current_function_args_size