Summary: Added checking for gcc and simplified the sig_handler() in the test case
Reviewed-by: dcubed, coleenp, minqi, dlong

Summary: switch on TieredCompilation by default
Reviewed-by: twisti

Reviewed-by: acorn, jmasa, coleenp, dcubed, mgerdin

Reviewed-by: jcoomes

Reviewed-by: coleenp, bpittore

Reviewed-by: kvn, dlong

Summary: Add code to copy method parameters data in clone_with_new_data
Reviewed-by: coleenp, sspitsyn

Summary: Added -DLINUX to the gcc command and improved the .sh script
Reviewed-by: dcubed, dholmes, minqi

Summary: find_method could return NULL so need explicitly check if there is error after parse_method, exit on error to avoid crash.
Reviewed-by: kvn, twisti
Contributed-by: yumin.qi@oracle.com

Reviewed-by: egahlin, rbackman, dcubed, brutisso, acorn

Summary: volatile jdouble load/store is not atomic, fix by using of existing volatile jlong operations which are atomic for jdouble.
Reviewed-by: kvn, vladidan, jrose
Contributed-by: david.holmes@oracle.com

Summary: this fix also removes the -XX:+UseStringCache option
Reviewed-by: dholmes, acorn, iklam

Reviewed-by: jcoomes

Reviewed-by: dcubed, fparain, dholmes
Contributed-by: NDavid Simms <david.simms@oracle.com>

Summary: Use JvmtiCachedClassFileData.
Reviewed-by: iklam, sspitsyn, dcubed

Summary: Added (sig < MAXSIGNUM) check in jsig.c
Reviewed-by: dholmes, acorn

Reviewed-by: acorn, dcubed, dsimms