typeck.c (cp_build_unary_op): Consistently use the accurate location in seven additional diagnostic messages.

/cp
2019-11-26  Paolo Carlini  <paolo.carlini@oracle.com>

	* typeck.c (cp_build_unary_op): Consistently use the accurate
	location in seven additional diagnostic messages.
	(cp_build_compound_expr): Use cp_expr_loc_or_input_loc in one place.

/testsuite
2019-11-26  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.dg/cpp1z/bool-increment1.C: Test location(s) too.
	* g++.dg/expr/bitfield3.C: Likewise.
	* g++.dg/expr/bitfield4.C: Likewise.
	* g++.dg/expr/bitfield5.C: Likewise.
	* g++.dg/expr/bitfield6.C: Likewise.
	* g++.dg/expr/bool1.C: Likewise.
	* g++.dg/expr/bool2.C: Likewise.
	* g++.dg/expr/bool3.C: Likewise.
	* g++.dg/expr/bool4.C: Likewise.
	* g++.dg/expr/lval3.C: Likewise.
	* g++.dg/other/error18.C: Likewise.
	* g++.dg/warn/Wpointer-arith-1.C: Likewise.
	* g++.old-deja/g++.bugs/900212_01.C: Likewise.
	* g++.old-deja/g++.bugs/900428_02.C: Likewise.
	* g++.old-deja/g++.jason/rfg14.C: Likewise.
	* g++.old-deja/g++.other/overload11.C: Likewise.

From-SVN: r278743