boehm-gc:
* powerpc_darwin_mach_dep.s: Update for m64. Add eh frames.
Do not build or use the picsymbol stub for Darwin >= 9.
* tests/test.c (reverse_test): Modify count for ppc64-darwin.
* pthread_support.c (GC_get_thread_stack_base): Correct a debug
statement.
From-SVN: r167681