[Bug middle-end/69780] [4.9/5/6 Regression] ICE on __builtin_alloca_with_align with small alignment

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69780

--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
Patch posted for review:
https://gcc.gnu.org/ml/gcc-patches/2016-02/msg00947.html