[Bug binutils/31130] Return of Stack Address in C_alloca

[amodra at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=31130

--- Comment #3 from Alan Modra <amodra at gmail dot com> ---
(In reply to yuxuan He from comment #2)
> actually, i don't mean that XNEWVEC return a stack address, i mean "depth"
> is stack address and it has been store into new_storage
That too is not a problem.  Given "char *p = C_alloca (size)", any access
outside the range [p, p+size) is undefined behaviour.

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