[PATCH] Don't index the static alloca map with dynamic alloca's for lifetime intrinsics

[Tim Northover]

Hi Pete,

On 17 October 2014 15:47, Pete Cooper <peter_cooper at apple.com> wrote:
> TL;DR: Indexing maps with [] creates missing entries.

This looks fine to me. Shame C++ is so verbose in this situation, but
unavoidable I think.

Cheers.

Tim.