Refector CFG dump
Improve debug print of DomTree
Add comments of instance variables of LTDominatorFinder
Add CfgBuilder::buildReturn()
Fix a cfg construction bug regarding 'if' statement without 'else' clause
Fix DomTree class's bug
Fix a SSA translation bug about an exit block
Add test/test_fib.rb
Add type analysis of rbjit__is_fixnum in TypeAnalyzer
Extract Fixnum's efficient method definitions from test/test_fib.rb and create lib/fixnum.rb
Improve dot output
Bug fixes regarding type analysis
Disable ASLR on debug build
Delete unnecessary virtual keywords
Improve dot debug output
Add CMehtodInfo definitions
Fix type analysis bugs
Add methodEntry member to OpcodeLookup
Fix code inliner bugs
Several fixes