OPTFLAG(AOT ,16, "aot", "Usage of Ahead Of Time compiled code")
OPTFLAG(PRECOMP ,17, "precomp", "Precompile all methods before executing Main")
OPTFLAG(ABCREM ,18, "abcrem", "Array bound checks removal")
-OPTFLAG(SSAPRE ,19, "ssapre", "SSA based Partial Redundancy Elimination")
+OPTFLAG(SSAPRE ,19, "ssapre", "SSA based Partial Redundancy Elimination (obsolete)")
OPTFLAG(EXCEPTION,20, "exception", "Optimize exception catch blocks")
OPTFLAG(SSA ,21, "ssa", "Use plain SSA form")
OPTFLAG(SSE2 ,23, "sse2", "SSE2 instructions on x86")