https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66096
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target|32 bit |x86_64-w64-mingw32 Status|UNCONFIRMED |WAITING Last reconfirmed| |2015-05-12 Host|Windows 7 x64 |x86_64-w64-mingw32 Ever confirmed|0 |1 Build|g++.EXE (tdm-1) 4.9.2 | |Copyright (C) 2014 Free | |Software Foundation, Inc. | --- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- This report is not very useful without a stack trace showing where the exception is thrown. I suspect it's a mingw-w64 problem as it doesn't happen on other targets, so there may be nothing to fix in the upstream libstdc++ code. As requested at https://gcc.gnu.org/bugs/ please provide the output of 'gcc -v' not just the version number.