6729759 need to accommodate non-8-byte-aligned mutexes

PSARC 2008/309 expunge synonyms.h
6700179 expunge synonyms.h

6678310 using LD_AUDIT, ld.so.1 calls shared library's .init before library is fully relocated
6689238 libc needs global protection against ld.so.1

6598890 cancellation code abuses synonyms

OpenSolaris Launch