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* patch that caused regression PR c++/9342
@ 2003-01-16 22:12 Janis Johnson
  0 siblings, 0 replies; only message in thread
From: Janis Johnson @ 2003-01-16 22:12 UTC (permalink / raw)
  To: gcc, jason

PR c++/9342 is a regression in the mainline and the 3.3 branch that
showed up starting with this patch:

--- gcc/ChangeLog ---
2002-08-02  Jason Merrill  <jason@redhat.com>

	* langhooks-def.h (LANG_HOOKS_EXPR_SIZE): New macro.
	* langhooks.c (lhd_expr_size): Define default.
	* langhooks.h (struct lang_hooks): Add expr_size.
	* explow.c (expr_size): Call it.
	* expr.c (store_expr): Don't copy an expression of size zero.
	(expand_expr) [CONSTRUCTOR]: Use expr_size to calculate how much
	to store.
	* Makefile.in (builtins.o): Depend on langhooks.h.

--- gcc/cp/ChangeLog ---
	* cp-lang.c (LANG_HOOKS_EXPR_SIZE): Define.
	(cp_expr_size): New fn.
	* call.c (build_over_call): Lose empty class hackery.
	(convert_arg_to_ellipsis): Promote non-POD warning to error.
	* typeck.c (build_modify_expr): Don't use save_expr on an lvalue.

The problem was reported against x86-64 and can be reproduced on
i686-linux using the minimized test case (extracted from KDE) in GNATS.

This information has been added to the PR.

Janis

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