PR c/30949 "incompatible pointer type" warning does not point to declaration

["Manuel López-Ibáñez" <lopezibanez at gmail dot com>]

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

OK for trunk?

2008-08-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c/30949
	* c-typeck.c (convert_for_assignment): Give a note describing what
	was passed and what was expected.
testsuite/
	* gcc.dg/pr30949.c: New.
	* gcc.dg/transparent-union-1.c: Update.
	* gcc.dg/cleanup-1.c: Update.
	* gcc.dg/assign-warn-2.c: Update.
	* gcc.dg/conv-2.c: Update.
	* gcc.dg/Wpointer-sign-pedantic.c: Update.
	* gcc.dg/Wpointer-sign-Wall.c: Update.
	* gcc.dg/assign-warn-1.c: Update.
	* gcc.dg/dfp/composite-type.c: Update.
	* gcc.dg/noncompile/20020213-1.c: Update.

Attachment: fix-pr30949.diff
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