let TestLargeRootSet retry on failure

8231616: Simplify compilation policy hierarchy Reviewed-by: thartmann, neliasso

8229872: (fs) Increase buffer size used with getmntent Summary: Dynamically allocate memory for getmntent Reviewed-by: alanb

Merge

fix typo in emergency dump path

8231553: Deprecate unused G1RSetScanBlockSize command line option Reviewed-by: lkorinth, sjohanss

8230062: assert(i == p->size()-1) failed: must be last element of the pack Summary: Avoids vectorization of reduction chain in which an intermediate result is used. Reviewed-by: roland, thartmann

cleaner tagging

Merge

8231457: Asserts on AIX because os::elapsed_counter() is not monotonic Summary: replace gettimeofday with javaTimeNanos Reviewed-by: dholmes, stuefe

8231287: JMap should do a better job of reporting exception it catches Summary: Retrhow any caught exception, and always print exceptions before exiting Reviewed-by: sspitsyn, phh

8230415: Avoid redundant permission checking in FilePermissionCollection and SocketPermissionCollection Reviewed-by: mullan

8231431: JAOTC issues with JAR path containing spaces Reviewed-by: kvn

8231036: vmTestbase monitoring tests fail after JSR 166 refresh Reviewed-by: martin, dholmes