[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