gcc:
2016-09-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR c++/77434
	* doc/invoke.texi: Document -Wcond-in-bool-context.
	* gensupport.c (TRISTATE_AND, TRISTATE_OR,
	TRISTATE_NOT): Fix a warning.
	* tree.h (integer_zerop_or_onep): New helper function.

	PR middle-end/77421
	* dwarf2out.c (output_loc_operands): Fix an assertion.

c-family:
2016-09-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR c++/77434
	* c.opt (Wcond-in-bool-context): New warning.
	* c-common.c (c_common_truthvalue_conversion): Warn on integer
	constants in boolean context.

cp:
2016-09-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR c++/77434
	* cvt.c (cp_convert_and_check): Suppress Wint-in-bool-context here.

fortran:
2016-09-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR c++/77434
	* simplify.c (gfc_simplify_repeat): Fix a warning.

testsuite:
2016-09-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR c++/77434
	* c-c++-common/Wcond-in-bool-context.c: New test.
	* g++.dg/delayedfold/df-warn-signedunsigned1.C: Fix a warning.