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Re: Lower VLA representation to pointers

From: Richard Henderson <rth at redhat dot com>
To: Jason Merrill <jason at redhat dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Wed, 11 Aug 2004 10:43:44 -0700
Subject: Re: Lower VLA representation to pointers
References: <20040811032414.GA4759@redhat.com> <xypd61xoiqr.fsf@miranda.boston.redhat.com>

On Wed, Aug 11, 2004 at 10:24:28AM -0400, Jason Merrill wrote:
> Hmm, what happens if xyzzy is in a loop?  Previously we would properly
> release its memory when it went out of scope.  If we're converting to
> alloca, I suspect that's broken.

Nope.  We still do the stack_save/restore thing.  It's 
controlled by having a DECL_EXPR set the flag for the
BIND_EXPR, rather than having gimplify_call_expr notice
magic functions being invoked.

r~

References:
- Lower VLA representation to pointers
  - From: Richard Henderson
- Re: Lower VLA representation to pointers
  - From: Jason Merrill

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