[PATCH] Remove alloca(0) calls

[Kevin Buettner]

On Tue, 11 Jun 2019 07:01:31 -0600
Tom Tromey <tromey@adacore.com> wrote:

> PR gdb/24653 points out that a gcc snapshot will complain about the
> calls to alloca(0) in gdb.
> 
> These calls are only needed when using the C alloca.  I'm inclined to
> think that no current platform needs this, so this patch removes the
> calls.
> 
> Let me know what you think.

I think that your patch should go in.

I too think that all modern platforms will have proper
(compiler-assisted) alloca support and won't need to resort to use of
the heap for implementation of alloca().

Kevin