Reviewed-by: hseigel, lfoltan, coleenp, ahgross

Reviewed-by: roland, kvn

8067232: [TESTBUG] runtime/CheckEndorsedAndExtDirs/EndorsedExtDirs.java fails with ClassNotFoundException
Summary: Added explicit build instructions for test library
Reviewed-by: minqi, mchung, jiangli

Summary: bad assumption on graph shape in CastIINode::Value if that part of the graph is becoming dead.
Reviewed-by: kvn

Summary: range check smearing uncorrectly adjust first range check in a list of range checks to cover all of them
Reviewed-by: jrose, kvn, iveresov

Summary: -XX:+TraceDeoptimization tries to print realloc'ed objects even when there are none
Reviewed-by: kvn