[Bug ipa/65039] [5 Regression] g++ 5 segmentation fault when compiling with -O2 optimization

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65039

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I reproduced this with an out-of-date trunk build, but using today's trunk it
compiles OK, so seems to be fixed.