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Re: [PATCH] c++/70594 debug info differences

From: Jason Merrill <jason at redhat dot com>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: Nathan Sidwell <nathan at acm dot org>, Patrick Palka <patrick at parcs dot ath dot cx>, GCC Patches <gcc-patches at gcc dot gnu dot org>, Richard Guenther <richard dot guenther at gmail dot com>
Date: Tue, 12 Apr 2016 11:48:09 -0400
Subject: Re: [PATCH] c++/70594 debug info differences
Authentication-results: sourceware.org; auth=none
References: <570BFE33 dot 4030305 at acm dot org> <570CF588 dot 8020006 at redhat dot com> <570CFE63 dot 2010209 at acm dot org> <570D0617 dot 6090201 at redhat dot com> <20160412143246 dot GU19207 at tucnak dot redhat dot com> <570D0BE2 dot 601 at redhat dot com> <20160412151956 dot GY19207 at tucnak dot redhat dot com>

On 04/12/2016 11:19 AM, Jakub Jelinek wrote:

On Tue, Apr 12, 2016 at 10:53:22AM -0400, Jason Merrill wrote:

It doesn't seem that dangerous to me.  The decls are only used within
constexpr evaluation, they never escape.


The uids can be used in hashing, folding, for the various on the side
tables (value-expr, debug-expr, ...).

Ah. We don't currently use DECL_VALUE_EXPR in constexpr evaluation, butI'm not confident that won't change.


Jason

References:
- [PATCH] c++/70594 debug info differences
  - From: Nathan Sidwell
- Re: [PATCH] c++/70594 debug info differences
  - From: Jason Merrill
- Re: [PATCH] c++/70594 debug info differences
  - From: Nathan Sidwell
- Re: [PATCH] c++/70594 debug info differences
  - From: Jason Merrill
- Re: [PATCH] c++/70594 debug info differences
  - From: Jakub Jelinek
- Re: [PATCH] c++/70594 debug info differences
  - From: Jason Merrill
- Re: [PATCH] c++/70594 debug info differences
  - From: Jakub Jelinek

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