Re: lib/48324: ld.elf_so - tty.c memcpy overwrites tcb for tls variant 2

[Nick Hudson <nick.hudson%gmx.co.uk@localhost>]

The following reply was made to PR lib/48324; it has been noted by GNATS.

From: Nick Hudson <nick.hudson%gmx.co.uk@localhost>
To: gnats-bugs%NetBSD.org@localhost, lib-bug-people%netbsd.org@localhost, 
 gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, 
 nathanialsloss%yahoo.com.au@localhost
Cc: 
Subject: Re: lib/48324: ld.elf_so - tty.c memcpy overwrites tcb for tls variant
 2
Date: Mon, 21 Oct 2013 07:46:17 +0100

 On 21/10/2013 02:55, Nat Sloss wrote:
 
 [...]
 
 
 >   It turns out if you declare var4 as __thread volatile var4 = 1 it passes.
 >   
 >   So I guess it has something to do with compiler optimization.
 >   
 >   So I patched the define containing __thread with __thread volatile in 
 > libmpfr
 >   and all is well.  So I don't think that ld.elf_so/libpthread needs 
 > changing.
 ld.elf_so need fixiing.
 
 >   
 >   Thank you to everyone who worked on this.
 >   
 >   Should I submit another PR with the changes to the mpfr package or should I
 >   deal with it here?
 
 Probably best a send PR.
 
 Nick