[Bug c++/90548] [9/10 Regression] ICE in tsubst_copy_and_build, at cp/pt.c:18877

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90548

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Tue May 28 14:00:29 2019
New Revision: 271705

URL: https://gcc.gnu.org/viewcvs?rev=271705&root=gcc&view=rev
Log:
        PR c++/90548 - ICE with generic lambda and empty pack.
        * pt.c (tsubst_copy_and_build): Handle pack expansion properly.

        * g++.dg/cpp1y/lambda-generic-90548.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1y/lambda-generic-90548.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c
    trunk/gcc/testsuite/ChangeLog