* lib/gcc-simulate-thread.exp: New.
        * gcc.dg/simulate-thread/guality.h: New.
        * gcc.dg/simulate-thread/simulate-thread.h: New.
        * gcc.dg/simulate-thread/simulate-thread.exp: New.
        * gcc.dg/simulate-thread/simulate-thread.gdb: New.
        * gcc.dg/simulate-thread/README: New.
        * g++.dg/simulate-thread/guality.h: New.
        * g++.dg/simulate-thread/simulate-thread.h: New.
        * g++.dg/simulate-thread/simulate-thread.exp: New.
        * g++.dg/simulate-thread/simulate-thread.gdb: New.
        * c-c++-common/cxxbitfields-2.c: Remove.
        * c-c++-common/cxxbitfields.c: Remove.
        * c-c++-common/cxxbitfields-4.c: Remove.
        * c-c++-common/cxxbitfields-5.c: Remove.
        * c-c++-common/simulate-thread/bitfields-1.c: New.
        * c-c++-common/simulate-thread/bitfields-2.c: New.
        * c-c++-common/simulate-thread/bitfields-3.c: New.
        * c-c++-common/simulate-thread/bitfields-4.c: New.

From-SVN: r179751