[Bug c++/79533] [7 Regression] ICE in build_over_call under -std=c++17 in 'S s(static_cast<S const &>(f()));'

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79533

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Feb 17 16:50:16 2017
New Revision: 245538

URL: https://gcc.gnu.org/viewcvs?rev=245538&root=gcc&view=rev
Log:
        PR c++/79533 - C++17 ICE with temporary cast to reference

        * call.c (build_over_call): Conversion to a reference prevents copy
        elision.

Added:
    trunk/gcc/testsuite/g++.dg/init/elide6.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/call.c