[Bug 1859075] [NEW] internal compiler error: in replace_placeholders_r, at cp/tree.c:2804

[Keith Bennett]

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

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to gcc-7 in Ubuntu.
https://bugs.launchpad.net/bugs/1859075

Title:
  internal compiler error: in replace_placeholders_r, at cp/tree.c:2804

Status in gcc-7 package in Ubuntu:
  New

Bug description:
  $ 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.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gcc-7/+bug/1859075/+subscriptions