[Bug libgcc/48076] Unsafe double checked locking in __emutls_get_address

[rth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48076

--- Comment #10 from Richard Henderson <rth at gcc dot gnu.org> 2012-11-29 21:11:05 UTC ---
Author: rth
Date: Thu Nov 29 21:11:00 2012
New Revision: 193959

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193959
Log:
PR libgcc/48076
        * emutls.c (__emutls_get_address): Add memory barrier before
        referencing emutls_key.

Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/emutls.c