Re: longjmp clobber warnings are utterly broken in modern gcc

From: Greg Stark <stark(at)mit(dot)edu>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: longjmp clobber warnings are utterly broken in modern gcc
Date: 2015-01-25 20:24:32
Message-ID: CAM-w4HP2bo3+4N8VtszHzB7dJJ657+k=QDA4uiVdsw84_QKdrA@mail.gmail.com
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Some Google(tm)ing does turn up plenty of other people complaining about
similar behaviour. This report seems to have the most enlightening response:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54561

Perhaps Clang has a more useful warning?

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