[Bug middle-end/66633] [5/6 regression] ICE on valid "verify_gimple failed" with OpenMP

[abensonca at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66633

--- Comment #13 from Andrew Benson <abensonca at gmail dot com> ---
(In reply to Eric Botcazou from comment #12)
> Fixed everywhere.

Thanks for the fix! Unfortunately, while this fixes some instances, it still
results in an ICE with optimization at -O1 or higher. 

Specifically:

Original test case: compiles OK with -O0; same ICE as before with -O1 or higher

Test case from comment #1: compiles OK with any optimization level.