patch 8.0.1221: still too many old style tests

Problem:    Still too many old style tests.
Solution:   Convert a few more tests to new style. (Yegappan Lakshmanan,
            closes vim#2256)

patch 8.0.1220: skipping empty statusline groups is not correct

Problem:    Skipping empty statusline groups is not correct.
Solution:   Also set group_end_userhl. (itchyny)

patch 8.0.1219: terminal test is flaky

Problem:    Terminal test is flaky.
Solution:   Add test function to list of flaky tests.

patch 8.0.1218: writing to freed memory in autocmd

Problem:    Writing to freed memory in autocmd.
Solution:   Make a copy of the tag line. (Dominique Pelle, closes vim#2245)

patch 8.0.1217: can't use remote eval to inspect vars in debug mode

Problem:    Can't use remote eval to inspect vars in debug mode.
Solution:   Don't discard the call stack in debug mode. (closes vim#2237, vim#2247)

patch 8.0.1216: tabline is not always updated for :file command

Problem:    Tabline is not always updated for :file command. (Norio Takagi)
Solution:   Set redraw_tabline. (Hirohito Higashi)

patch 8.0.1215: newer gcc warns for implicit fallthrough

Problem:    Newer gcc warns for implicit fallthrough.
Solution:   Consistently use a FALLTHROUGH comment. (Christian Brabandt)

patch 8.0.1214: accessing freed memory when EXITFREE is set

Problem:    Accessing freed memory when EXITFREE is set and there is more than
            one tab and window. (Dominique Pelle)
Solution:   Free options later.  Skip redraw when exiting.

patch 8.0.1213: setting 'mzschemedll' has no effect

Problem:    Setting 'mzschemedll' has no effect.
Solution:   Move loading .vimrc to before call to mzscheme_main().

patch 8.0.1212: MS-Windows: tear-off menu does not work on 64 bit

Problem:    MS-Windows: tear-off menu does not work on 64 bit. (shaggyaxe)
Solution:   Change how the menu handle is looked up. (Ken Takata, closes
            vim#1205)