[Bug rtl-optimization/48188] ICE: SIGSEGV in remove_unnecessary_regions (ira-build.c:1855) with --param ira-max-loops-num=0 on basic code

[zsojka at seznam dot cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48188

--- Comment #4 from Zdenek Sojka <zsojka at seznam dot cz> ---
Doesn't seem to crash since at least gcc-7