[Bug target/61068] -O3 generates bad code (when tree-vectorize or inline-functions is on)

[wence at gmx dot li]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61068

--- Comment #5 from Lawrence Mitchell <wence at gmx dot li> ---
(In reply to Zdenek Sojka from comment #3)
> You are casting "double arg1_0[12][3]" (and others) to "(double *)arg1_0"
> and then using it as a single-dimensional array. The code has undefined
> behaviour.

Apologies, I I've updated the test case to use 1D arrays everywhere and the
problem persists.  I believe this latter does not invoke undefined behaviour.

Thanks,
Lawrence