i386.md (stack_protect_set): Disable the pattern for Android since Android libc ...

i386.md (stack_protect_set): Disable the pattern for Android since Android libc (bionic) does not provide...

2012-07-16 Sergey Melnikov <sergey.melnikov@intel.com>

        * config/i386/i386.md (stack_protect_set): Disable the pattern
        for Android since Android libc (bionic) does not provide random
        value for stack protection guard at gs:0x14. Guard value
        will be provided from external symbol (default implementation).
        (stack_protect_set_<mode>): Likewise.
        (stack_protect_test): Likewise.
        (stack_protect_test_<mode>): Likewise.

From-SVN: r189513