8164035: compiler/profiling/spectrapredefineclass_classloaders/Launcher.java failing with Agent JAR not found or no Agent-Class attribute
Reviewed-by: kvn

8132919: Put compiler tests in packages
Reviewed-by: vlivanov, dpochepk
Contributed-by: igor.ignatyev@oracle.com

8039960: Unexpected exit from test compiler/profiling/spectrapredefineclass/Launcher.java
Summary: the test case doesn't need to change the heap size to reproduce the failure.
Reviewed-by: twisti, kvn

8038636: speculative traps break when classes are redefined
Summary: remove speculative traps that point to methods that are redefined
Reviewed-by: kvn, twisti