gcc:
2016-09-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR c++/77434
	* doc/invoke.texi: Document -Wcond-in-bool-context.

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

c-family:
2016-09-02  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.

testsuite:
2016-09-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR c++/77434
	* c-c++-common/Wcond-in-bool-context.c: New test.