PreciseJumpTargets should treat loop_hint as a jump target
https://bugs.webkit.org/show_bug.cgi?id=115209

Reviewed by Mark Hahnenberg.
        
I didn't add a test but I turned this into a release assertion. Running Octane is enough
to trigger it.

* bytecode/PreciseJumpTargets.cpp:
(JSC::computePreciseJumpTargets):
* dfg/DFGByteCodeParser.cpp:
(JSC::DFG::ByteCodeParser::parseBlock):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@149154 268f45cc-cd09-0410-ab3c-d52691b4dbfc