PR c++/49855
PR c++/49896
* cp-tree.def (IMPLICIT_CONV_EXPR): New.
* call.c (perform_implicit_conversion_flags): Build it
instead of NOP_EXPR.
* cp-objcp-common.c (cp_common_init_ts): It's typed.
* cxx-pretty-print.c (pp_cxx_cast_expression): Handle it.
(pp_cxx_expression): Likewise.
* error.c (dump_expr): Likewise.
* semantics.c (potential_constant_expression_1): Likewise.
* tree.c (cp_tree_equal): Likewise.
(cp_walk_subtrees): Likewise.
* pt.c (iterative_hash_template_arg): Likewise.
(for_each_template_parm_r): Likewise.
(type_dependent_expression_p): Likewise.
(tsubst_copy, tsubst_copy_and_build): Handle IMPLICIT_CONV_EXPR
and CONVERT_EXPR.
* cp-tree.h (IMPLICIT_CONV_EXPR_DIRECT_INIT): New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@179813
138bc75d-0d04-0410-961f-
82ee72b054a4