* test case haul for old generic/template/macro issues
closes#12582, closes#19552, closes#2465, closes#4596, closes#15246,
closes#12683, closes#7889, closes#4547, closes#12415, closes#2002,
closes#1771, closes#5121
The test for #5648 is also moved into its own test
from `types/tissues_types` due to not being joinable.
* fix template gensym test
* fix dot calls with resolved symbols in templates
* make old code work
* fix custom number literals test
* remove leftover debug marker
* enable "bug 9" test too
* fix renderer, add test for #7085