https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79005
--- Comment #3 from M. McCutcheon <mmccutcheon at nuvucameras dot com> --- Sorry, forgot to include the actual error message, though it doesn't seem very illuminating : ------------------------------------------------------------------------------------ auto-lambda_sub-capture.cpp: In lambda function: auto-lambda_sub-capture.cpp:28:8: internal compiler error: Segmentation fault result = b * c; // Provokes internal compiler error ^ Please submit a full bug report, with preprocessed source if appropriate. See <file:///usr/share/doc/gcc-4.9/README.Bugs> for instructions. Preprocessed source stored into /tmp/cc5qcmOS.out file, please attach this to your bug report. ------------------------------------------------------------------------------------