[Bug c++/75860] Segmentation violation in tree_check while compiling firefox 48

[zeccav at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=75860

--- Comment #4 from Vittorio Zecca <zeccav at gmail dot com> ---
Created attachment 39369
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39369&action=edit
xz-ipped reproducer

This is the xzipped test case that is my reproducer for this issue.
There are many compilation errors due to shortening it,
but I still get the ICE segmentation fault message.
I hope it helps.