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

1 files changed, 14 insertions, 7 deletions

diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c
index 83a7891e57b..42611682549 100644
--- a/gcc/cp/semantics.c
+++ b/gcc/cp/semantics.c
@@ -5918,9 +5918,11 @@ finish_omp_reduction_clause (tree c, bool *need_default_ctor, bool *need_dtor)
 	      if (need_static_cast)
 		{
 		  tree rtype = build_reference_type (atype);
-		  omp_out = build_static_cast (rtype, omp_out,
+		  omp_out = build_static_cast (input_location,
+					       rtype, omp_out,
 					       tf_warning_or_error);
-		  omp_in = build_static_cast (rtype, omp_in,
+		  omp_in = build_static_cast (input_location,
+					      rtype, omp_in,
 					      tf_warning_or_error);
 		  if (omp_out == error_mark_node || omp_in == error_mark_node)
 		    return true;
@@ -5955,9 +5957,11 @@ finish_omp_reduction_clause (tree c, bool *need_default_ctor, bool *need_dtor)
 		      return true;
 		    }
 		  tree rtype = build_reference_type (atype);
-		  omp_priv = build_static_cast (rtype, omp_priv,
+		  omp_priv = build_static_cast (input_location,
+						rtype, omp_priv,
 						tf_warning_or_error);
-		  omp_orig = build_static_cast (rtype, omp_orig,
+		  omp_orig = build_static_cast (input_location,
+						rtype, omp_orig,
 						tf_warning_or_error);
 		  if (omp_priv == error_mark_node
 		      || omp_orig == error_mark_node)
@@ -6138,13 +6142,16 @@ cp_omp_finish_iterators (tree iter)
       begin = mark_rvalue_use (begin);
       end = mark_rvalue_use (end);
       step = mark_rvalue_use (step);
-      begin = cp_build_c_cast (type, begin, tf_warning_or_error);
-      end = cp_build_c_cast (type, end, tf_warning_or_error);
+      begin = cp_build_c_cast (input_location, type, begin,
+			       tf_warning_or_error);
+      end = cp_build_c_cast (input_location, type, end,
+			     tf_warning_or_error);
       orig_step = step;
       if (!processing_template_decl)
 	step = orig_step = save_expr (step);
       tree stype = POINTER_TYPE_P (type) ? sizetype : type;
-      step = cp_build_c_cast (stype, step, tf_warning_or_error);
+      step = cp_build_c_cast (input_location, stype, step,
+			      tf_warning_or_error);
       if (POINTER_TYPE_P (type) && !processing_template_decl)
 	{
 	  begin = save_expr (begin);