[TG-7648] Constant propagation of substring operations#4941

Merged

danpoe merged 2 commits intodiffblue:developfrom

danpoe:feature/constant-propagate-string-substring

Aug 15, 2019

Commits on Aug 15, 2019

Implement constant propagation for substring operations
danpoe
committed
Add String.substring() and StringBuilder.substring() regression error tests
danpoe
committed