[Bug tree-optimization/70964] [7 Regression] internal compiler error: in single_succ_edge, at basic-block.h:351

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70964

--- Comment #5 from ktkachov at gcc dot gnu.org ---
(In reply to Chengnian Sun from comment #4)
> 
> Hi, 
> 
> May I know how did you find this bug-triggering test case? Is it generated
> by some program generator or from the torture test suite?
> 

Hi,

It was auto-generated using csmith and reduced with creduce.