[Bug c++/88631] CTAD cannot deduce from () value initialization

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88631

--- Comment #6 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Wed Jan  2 22:20:45 2019
New Revision: 267533

URL: https://gcc.gnu.org/viewcvs?rev=267533&root=gcc&view=rev
Log:
        PR c++/88631 - CTAD failing for value-initialization.
        * typeck2.c (build_functional_cast): Try deducing the template
        arguments even if there are no arguments to deduce from.

        * g++.dg/cpp1z/class-deduction59.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1z/class-deduction59.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/typeck2.c
    trunk/gcc/testsuite/ChangeLog