[Bug rtl-optimization/48374] ICE: in single_succ_edge, at basic-block.h:562 with -fselective-scheduling2 and __builtin_unreachable()

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48374

--- Comment #2 from Zdenek Sojka <zsojka at seznam dot cz> 2011-05-10 18:05:57 UTC ---
Thanks for the suggestion, Andrey. Using lower values for --param
max-sched-extend-regions-iters might reduce the compilation time in some cases.

I tested your patch on top of r173588 and it fixes the ICE on all testcases I
have.