[Bug lto/83816] [7 Regression] lto1: internal compiler error: compressed stream: data error

[olegendo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83816

--- Comment #1 from Oleg Endo <olegendo at gcc dot gnu.org> ---
Hmm ... if the program is changed in some places, it can also be triggered on
GCC 6.4.  It seems it happens when adding/removing function calls inside of C++
lambda functions ... how to find the cause?