typeck.c (check_for_casting_away_constness): Add location_t parameter and use it.

typeck.c (check_for_casting_away_constness): Add location_t parameter and use it.

gcc/cp
2019-12-09  Paolo Carlini  <paolo.carlini@oracle.com>

	* typeck.c (check_for_casting_away_constness): Add location_t
	parameter and use it.
	(maybe_warn_about_useless_cast): Likewise.
	(maybe_warn_about_cast_ignoring_quals): Likewise.
	(build_static_cast_1): Likewise.
	(build_static_cast): Likewise; sets the location of the returned tree.
	(build_reinterpret_cast_1): Likewise.
	(build_reinterpret_cast): Likewise; sets the location of the returned
	tree.
	(build_const_cast_1): Likewise.
	(build_const_cast): Likewise; sets the location of the returned tree.
	(cp_build_c_cast): Likewise.
	(build_c_cast): Adjust.
	(build_ptrmemfunc): Adjust calls.
	(cp_build_unary_op): Pass the location to invert_truthvalue_loc.
	* rtti.c (build_dynamic_cast_1): Add location_t parameter and
	use it.
	(build_dynamic_cast): Likewise.
	* cp-tree.h: Adjust declarations.
	* parser.c (cp_parser_postfix_expression): Pass cp_cast_loc to
	the various build_*_cast functions.
	(get_cast_suggestion): Adjust calls.
	(cp_parser_builtin_offsetof): Likewise.
	* decl.c (reshape_init): Adjust call.
	* method.c (forward_parm): Likewise.
	(build_comparison_op): Likewise.
	* pt.c (tsubst_copy_and_build): Likewise.
	* semantics.c (finish_omp_reduction_clause): Likewise.
	(cp_omp_finish_iterators): Likewise.
	* tree.c (cp_stabilize_reference): Likewise.
	(move): Likewise.
	* typeck2.c (build_functional_cast): Likewise.

	* typeck2.c (build_functional_cast_1): New.
	(build_functional_cast_1): Calls the latter and sets the location
	of the returned tree.

/libcc1
2019-12-09  Paolo Carlini  <paolo.carlini@oracle.com>

	* libcp1plugin.cc (plugin_build_cast_expr): Adjust build_cast
	declaration.

gcc/testsuite
2019-12-09  Paolo Carlini  <paolo.carlini@oracle.com>

	* c-c++-common/Wcast-align.c: Check location(s) too.
	* c-c++-common/Wcast-function-type.c: Likewise.
	* c-c++-common/Wint-to-pointer-cast-1.c: Likewise.
	* c-c++-common/Wint-to-pointer-cast-2.c: Likewise.
	* c-c++-common/Wint-to-pointer-cast-3.c: Likewise.
	* g++.dg/Wcast-function-type.C: Likewise.
	* g++.dg/addr_builtin-1.C: Likewise.
	* g++.dg/conversion/const2.C: Likewise.
	* g++.dg/conversion/dynamic1.C: Likewise.
	* g++.dg/conversion/ptrmem2.C: Likewise.
	* g++.dg/conversion/ptrmem3.C: Likewise.
	* g++.dg/conversion/qual3.C: Likewise.
	* g++.dg/conversion/reinterpret3.C: Likewise.
	* g++.dg/cpp0x/constexpr-cast.C: Likewise.
	* g++.dg/cpp0x/lambda/lambda-conv11.C: Likewise.
	* g++.dg/cpp0x/nullptr04.C: Likewise.
	* g++.dg/cpp0x/reinterpret_cast2.C: Likewise.
	* g++.dg/cpp0x/rv-cast2.C: Likewise.
	* g++.dg/cpp1y/lambda-conv1.C: Likewise.
	* g++.dg/cpp1z/noexcept-type7.C: Likewise.
	* g++.dg/cpp2a/array-conv9.C: Likewise.
	* g++.dg/expr/cast11.C: Likewise.
	* g++.dg/expr/static_cast8.C: Likewise.
	* g++.dg/ext/vector6.C: Likewise.
	* g++.dg/other/conversion1.C: Likewise.
	* g++.dg/parse/pr26997.C: Likewise.
	* g++.dg/rtti/no-rtti.C: Likewise.
	* g++.dg/tc1/dr137.C: Likewise.
	* g++.dg/template/cast4.C: Likewise.
	* g++.dg/warn/Wcast-qual1.C: Likewise.
	* g++.dg/warn/Wcast-qual2.C: Likewise.
	* g++.dg/warn/Wconditionally-supported-1.C: Likewise.
	* g++.dg/warn/Wuseless-cast.C: Likewise.
	* g++.dg/warn/pr35711.C: Likewise.
	* g++.old-deja/g++.bugs/900227_01.C: Likewise.
	* g++.old-deja/g++.bugs/900404_07.C: Likewise.
	* g++.old-deja/g++.jason/overload1.C: Likewise.
	* g++.old-deja/g++.jason/rfg26.C: Likewise.
	* g++.old-deja/g++.jason/rvalue3.C: Likewise.
	* g++.old-deja/g++.jason/warning2.C: Likewise.
	* g++.old-deja/g++.mike/dyncast4.C: Likewise.
	* g++.old-deja/g++.mike/dyncast6.C: Likewise.
	* g++.old-deja/g++.mike/p11482.C: Likewise.
	* g++.old-deja/g++.mike/p2573.C: Likewise.
	* g++.old-deja/g++.mike/p2855.C: Likewise.
	* g++.old-deja/g++.mike/p7476.C: Likewise.
	* g++.old-deja/g++.mike/p8039.C: Likewise.
	* g++.old-deja/g++.other/cast2.C: Likewise.
	* g++.old-deja/g++.other/cast3.C: Likewise.
	* g++.old-deja/g++.other/dcast1.C: Likewise.
	* g++.old-deja/g++.other/dcast2.C: Likewise.

From-SVN: r279138