[Bug c++/126910] New: -gcodeview crash with boost::container on windows

"jeanmichael.celerier at gmail dot com via Gcc-bugs" <[email protected]> Sun, 16 Aug 2026 19:06:27 +0000

Newsgroups	gmane.comp.gcc.bugs
Message-ID	<[email protected]/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126910

            Bug ID: 126910
           Summary: -gcodeview crash with boost::container on windows
           Product: gcc
           Version: 16.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jeanmichael.celerier at gmail dot com
  Target Milestone: ---

Repro, on today 2026-08-16 MSYS2 UCRT64 GCC and boost:

    // REPRO.cpp
    #include <boost/container/vector.hpp>
    void f() { boost::container::vector<int> v; (void)v; }

    $ g++ -gcodeview -c REPRO.cpp
    REPRO.cpp:2:54: internal compiler error: Segmentation fault


Adding -g1 fixes it. -freport-bug crashes on MSYS2 :(

Exact versions:

 - mingw-w64-ucrt-x86_64-gcc 16.2.0-3
 - mingw-w64-ucrt-x86_64-boost 1.91.0-3