Hi.

In addressing the issues that were brought up I ran into bounded allocas that are bounded by an unknown size. Should we warn on these?:

          if (n < SOME_GLOBAL)
            alloca(n)

In my WIP I am warning with:

        x.c:6:5: warning: alloca bound is unknown [-Walloca]

Though I wonder whether it's worth all the gymnastics I'm doing to diagnose this correctly.

Thoughts?

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