[Bug middle-end/57393] [4.9 Regression] error: definition in block 4 follows the use / internal compiler error: verify_ssa failed

[su at cs dot ucdavis.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57393

--- Comment #36 from Zhendong Su <su at cs dot ucdavis.edu> ---
(In reply to Jakub Jelinek from comment #35)
> The #c34 testcase seems to fail starting r199048 till current HEAD.

Besides John's new testcase from #c34, I've also encountered quite a number of
different testcases causing this same ICE (either at -O2 or -O3, with and
without -g), but the proposed patch by Easwaran from #c30 appears to fix
everything so far (tested with revision 202121).