[Bug c++/79790] [C++17] ICE class template argument deduction failed

[jochen.goertler@uni-konstanz.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79790

--- Comment #1 from Jochen Görtler <jochen.goertler@uni-konstanz.de> ---
Using built-in specs.
COLLECT_GCC=../gcc-bug/bin/g++
COLLECT_LTO_WRAPPER=/home/jochen/Developer/gcc-bug/libexec/gcc/x86_64-pc-linux-gnu/7.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc-bug/configure --prefix=/home/jochen/Developer/gcc-bug
--enable-languages=c,c++ --disable-multilib
Thread model: posix
gcc version 7.0.1 20170301 (experimental) (GCC)