declare local variable at the start of a block in generated gem_test.c
Merge pull request #863 from nkshigeru/gemtest_for_vc

declare local variable at the start of a block in generated gem_test.c
add RData entrie to RVALUE union
Merge branch 'master' of github.com:mruby/mruby
rename RVALUE union members
print the error message before abort()
compile /a/ as ::Regexp.new("a")