Public bug reported:
$ lsb_release -rd
Description: Ubuntu 16.04.6 LTS
Release: 16.04
$ apt-cache policy gcc-7
gcc-7:
Installed: 7.4.0-1ubuntu1~16.04~ppa1
Candidate: 7.4.0-1ubuntu1~16.04~ppa1
Version table:
*** 7.4.0-1ubuntu1~16.04~ppa1 500
500 http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu xenial/main
amd64 Packages
100 /var/lib/dpkg/status
$ g++ --version
g++ (Ubuntu 7.4.0-1ubuntu1~16.04~ppa1) 7.4.0
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ g++ -std=c++17 bench.preprocessed.cpp
bench.cpp: In function ‘std::vector<double> build_matrix()’:
bench.cpp:58:18: internal compiler error: in replace_placeholders_r, at
cp/tree.c:2804
std::generate_n(std::back_inserter(matrix), count, generator{});
~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
** Affects: gcc-7 (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "g++ -std=c++17 bench.preprocessed.cpp"
https://bugs.launchpad.net/bugs/1859075/+attachment/5318924/+files/bench.preprocessed.cpp
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https://bugs.launchpad.net/bugs/1859075
Title:
internal compiler error: in replace_placeholders_r, at cp/tree.c:2804
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