typeck.c (cp_truthvalue_conversion): Add tsubst_flags_t parameter and use it in calls...

typeck.c (cp_truthvalue_conversion): Add tsubst_flags_t parameter and use it in calls...

/cp
2019-11-15  Paolo Carlini  <paolo.carlini@oracle.com>

	* typeck.c (cp_truthvalue_conversion): Add tsubst_flags_t parameter
	and use it in calls; also pass the location_t of the expression to
	cp_build_binary_op and c_common_truthvalue_conversion.
	* rtti.c (build_dynamic_cast_1): Adjust call.
	* cvt.c (ocp_convert): Likewise.
	* cp-gimplify.c (cp_fold): Likewise.
	* cp-tree.h (cp_truthvalue_conversion): Update declaration.

/testsuite
2019-11-15  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.dg/warn/Walways-true-1.C: Check locations too.
	* g++.dg/warn/Walways-true-2.C: Likewise.
	* g++.dg/warn/Walways-true-3.C: Likewise.
	* g++.dg/warn/Waddress-1.C: Check additional location.

From-SVN: r278320