Reviewed-by: dholmes, coleenp

Summary: Added better debug-printing support and enhanced LogCompilation tool
Reviewed-by: kvn, roland, dholmes

Summary: Check for overflow when inverting the loop during the counted loop conversion
Reviewed-by: kvn

8049881: jstack not working on core files
Summary: These changes add some definitions on the SA side and the supporting code on the hotspot side.
Reviewed-by: sla, dsamersoff, mgronlun

8068881: SIGBUS in C2 compiled method weblogic.wsee.jaxws.framework.jaxrpc.EnvironmentFactory$SimulatedWsdlDefinitions.<init>
Summary: Use MachMerge to hook together defs of the same multidef value in a block
Reviewed-by: kvn, vlivanov

Reviewed-by: kvn

Reviewed-by: sla, sspitsyn

Reviewed-by: jwilhelm, tschatzl, stefank

Summary: Add missing C->failing() check after Connection graph construction.
Reviewed-by: iveresov

Reviewed-by: ctornqvi, fzhinkin, farvidsson

Summary: move nm and awk code into vm.make
Reviewed-by: dsamersoff, dholmes