gcc/cp
2014-06-03  Paolo Carlini  <paolo.carlini@oracle.com>

	DR 1423
	PR c++/52174
	* call.c (standard_conversion): Convert nullptr to bool only
	in case of direct-initialization.
	(convert_like_real): Provide informative error message.

gcc/testsuite
2014-06-03  Paolo Carlini  <paolo.carlini@oracle.com>

	DR 1423
	PR c++/52174
	* g++.dg/cpp0x/nullptr31.C: New.
	* g++.dg/cpp0x/sfinae-nullptr1.C: Likewise.
	* g++.dg/cpp0x/nullptr17.C: Update.

libstdc++-v3
2014-06-03  Paolo Carlini  <paolo.carlini@oracle.com>

	DR 1423
	PR c++/52174
	* testsuite/20_util/is_assignable/value.cc: Update.

From-SVN: r211195