also rename wchar -> utf8 to avoid conflict with <wchar.h> (requires
rebuild of workspace)
(unfortunately copying history fails to "502 bad gateway"; had to delete
old + add new independently)
This was SVN commit r7340.
ia32: fix: ia32_GetCallTarget wasn't always initializing target
x86_x64: use macro implementation for rdtsc to reduce timing overhead
This was SVN commit r7160.