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Re: [Patch, libstdc++] Add specific error message into exceptions

From: Tim Shen <timshen at google dot com>
To: Jonathan Wakely <jwakely at redhat dot com>
Cc: "libstdc++" <libstdc++ at gcc dot gnu dot org>, gcc-patches <gcc-patches at gcc dot gnu dot org>
Date: Fri, 28 Aug 2015 20:44:50 -0700
Subject: Re: [Patch, libstdc++] Add specific error message into exceptions
Authentication-results: sourceware.org; auth=none
References: <CAG4ZjNmMzR=V2gWskZjB1LGJWcF9iSztfoz8kLtWfVZfBspsnQ at mail dot gmail dot com> <20150828155946 dot GZ2631 at redhat dot com> <CAG4ZjNnsm1-Ux7f9oXedXSj_wW9nSnCdC+3mGWJpMdJayZsj=Q at mail dot gmail dot com>

On Fri, Aug 28, 2015 at 11:23 AM, Tim Shen <timshen@google.com> wrote:
> So is it good to have an owned raw pointer stored in runtime_error,
> pointing to a heap allocated char chunk, which will be deallocated in
> regex_error's dtor?

I just put a string member into regex_error, completely ignoring the
storage in std::runtime_error.

Also used rethrow to keep stack frames.

-- 
Regards,
Tim Shen

Attachment: b.diff
Description: Text document

References:
- [Patch, libstdc++] Add specific error message into exceptions
  - From: Tim Shen
- Re: [Patch, libstdc++] Add specific error message into exceptions
  - From: Jonathan Wakely
- Re: [Patch, libstdc++] Add specific error message into exceptions
  - From: Tim Shen

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