re PR c++/50810 (c++0x-compat does not warn about narrowing conversions)

re PR c++/50810 (c++0x-compat does not warn about narrowing conversions)

/c-family
2011-10-23  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/50810
	* c-opts.c (c_common_handle_option): Enable -Wnarrowing as part
	of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default
	Wnarrowing for C++0x and C++98.
	* c.opt ([Wnarrowing]): Update.

/cp
2011-10-23  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/50810
	* typeck2.c (check_narrowing): Adjust OPT_Wnarrowing diagnostics.
	(digest_init_r): Call check_narrowing irrespective of the C++ dialect.
	* decl.c (check_initializer): Likewise.
	* semantics.c (finish_compound_literal): Likewise.

/testsuite
2011-10-23  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/50810
	* g++.dg/cpp0x/warn_cxx0x2.C: New.
	* g++.dg/cpp0x/warn_cxx0x3.C: Likewise.

2011-10-23  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/50810
	* doc/invoke.texi ([-Wnarrowing], [-Wc++0x-compat]): Update.

From-SVN: r180343