[Bug c++/80008] internal compiler error: in cp_parser_direct_declarator, at cp/parser.c:20031 [C++17]

[julien at lecomte dot at]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80008

--- Comment #1 from Julien <julien at lecomte dot at> ---
Forgot to add this:

Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../configure --prefix=/usr/local --enable-languages=c,c++
--disable-multilib --disable-bootstrap --with-system-zlib --disable-nls
--libexecdir=/usr/local/lib
Thread model: posix
gcc version 7.0.1 20170305 (experimental) (GCC)

And lastly:
gmp-6.1.2
mpc-1.0.3
mpfr-3.1.5