profiling and wchar_t. Profiled libraries will shrink.
tm.h:
Our wchar_t is int, not unsigned short.
Always link statically if profiling.
Define all the SPECs together.
final.c, tm.h:
Don't emit unused profiling code and data.
aux-output.c:
Always preserve the PIC register if profiling.
aux-output.c, tm.h:
Implement FUNCTION_PROFILER_EPILOGUE (currently not used).
New:
tm.h:
Set the target defaults in the correct way.
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