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[PATCH] Fix __ctype_b_loc aliasing violation

From: Adam Nemet <anemet at caviumnetworks dot com>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: Ulrich Drepper <drepper at redhat dot com>, libc-alpha at sources dot redhat dot com
Date: Fri, 7 Nov 2008 09:54:42 -0800
Subject: [PATCH] Fix __ctype_b_loc aliasing violation
References: <18706.43621.72381.591305@foo.home><20081107121257.GJ32107@sunsite.ms.mff.cuni.cz>

Jakub Jelinek writes:
> Yeah, indeed.  I can reproduce it, a lot of stuff segfaults in glibc
> compiled with current GCC trunk on x86_64-linux, starting with localedef.
> 
> Going through a union is just a workaround for a warning, not real
> fix and indeed this aliasing violation finally caught us.
> 
> Here is a fix, tested with gcc 4.4.  Guess it would be good if somebody
> tested it on Hurd as well.

Great!  Thanks for the fix.

Adam

References:
- __ctype_b_loc aliasing violation
  - From: Adam Nemet
- [PATCH] Fix __ctype_b_loc aliasing violation
  - From: Jakub Jelinek

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