[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 #6 from Vittorio Zecca <zeccav at gmail dot com> ---
Created attachment 39410
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39410&action=edit
xz-ipped original firefox source file

Original firefox source file in xz format.
This one is error free except for the ICE segmentation fault from g++.