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PR c++/35652 [4.2/4.3/4.4 Regression] offset warning should be given in the front-end

From: "Manuel López-Ibáñez" <lopezibanez at gmail dot com>
To: "Gcc Patch List" <gcc-patches at gcc dot gnu dot org>
Cc: "Mark Mitchell" <mark at codesourcery dot com>, "Jason Merrill" <jason at redhat dot com>, "Nathan Sidwell" <nathan at codesourcery dot com>
Date: Mon, 3 Nov 2008 16:36:44 +0100
Subject: PR c++/35652 [4.2/4.3/4.4 Regression] offset warning should be given in the front-end

Bootstrapped and regression tested on x86_64-unknown-linux-gnu with
--enable-languages=all,obj-c++,ada

OK for trunk? And branches?

2008-11-03  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c++/35652
	* builtins.h (c_strlen): Do not warn here.
	* c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
	* c-common.c (pointer_int_sum): Take an explicit location.
	Warn about offsets out of bounds.
	* c-common.h (pointer_int_sum): Adjust declaration.
	* expr.c (string_constant): Move middle-end function from here...
	* fold_const (string_constant): ... to here.
	* expr.h (string_constant): Move declaration from here...
	* tree.h (string_constant): ... to here.
cp/
	* typeck.c (cp_pointer_sum): Adjust call to pointer_int_sum.
testsuite/
	* gcc.dg/pr35652.c: New.
	* g++.dg/warn/pr35652.C: New.
	* gcc.dg/format/plus-1.c: Adjust message.

Attachment: fix-pr35652.diff
Description: Text document

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