2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c++/28584
	* c.opt (Wint-to-pointer-cast): Available in C++.
	* doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
cp/
	* typeck.c (cp_build_c_cast): Warn for casting integer to larger
	pointer type.
testsuite/
	* gcc.dg/Wint-to-pointer-cast-1.c: Move to...
	* c-c++-common/Wint-to-pointer-cast-1.c: ...  here.
	* gcc.dg/Wint-to-pointer-cast-2.c: Move to...	
	* c-c++-common/Wint-to-pointer-cast-2.c: ...  here.
	* gcc.dg/Wint-to-pointer-cast-3.c: Move to...	
	* c-c++-common/Wint-to-pointer-cast-3.c: ...  here. Update.
	* g++.old-deja/g++.mike/warn1.C: Add -Wno-int-to-pointer-cast.
	* g++.dg/other/increment1.C: Likewise.

From-SVN: r158150