https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72580
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |8.0
Resolution|INVALID |FIXED
--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
This was changed by r251035 an compiles since GCC 8.1:
PR c++/80452 - Core 1579, implicit move semantics on return/throw
* cp-tree.h (LOOKUP_PREFER_RVALUE): Now means that we've already
tentatively changed the lvalue to an rvalue.
* call.c (reference_binding): Remove LOOKUP_PREFER_RVALUE handling.
(build_over_call): If LOOKUP_PREFER_RVALUE, check that the first
parameter is an rvalue reference.
* except.c (build_throw): Do maybe-rvalue overload resolution
twice.
* typeck.c (check_return_expr): Likewise.
When the lookup using an rvalue fails it now gets retried as an lvalue, instead
of giving an error.
