Ruby » Ruby master

fronzen-string-literal pragma

• compile.c (iseq_compile_each): override compile option by option
  given by pragma.
• iseq.c (rb_iseq_make_compile_option): extract a function to
  overwrite rb_compile_option_t.
• parse.y (parser_set_compile_option_flag): introduce pragma to
  override compile options.
• parse.y (magic_comments): new pragma "fronzen-string-literal".
  [Feature #8976]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51953 b2dd03c8-39d4-4d8f-98ff-823fe69b080e