[Bug tree-optimization/58921] [4.9 Regression] ICE with segfault on valid code at -O3 on x86_64-linux-gnu

[mikpelinux at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58921

Mikael Pettersson <mikpelinux at gmail dot com> changed:

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                 CC|                            |mikpelinux at gmail dot com

--- Comment #2 from Mikael Pettersson <mikpelinux at gmail dot com> ---
Started with r203842.  With checking it fails on

       gcc_assert (vec_stmt);

in case vect_internal_def of vect_get_vec_def_for_operand.