Merge pull request #18842 from aaroey/substr_bug_fix
authorgracehoney <31743510+aaroey@users.noreply.github.com>
Thu, 26 Apr 2018 14:33:34 +0000 (07:33 -0700)
committerGitHub <noreply@github.com>
Thu, 26 Apr 2018 14:33:34 +0000 (07:33 -0700)
Fix a bug where string::substr is used with wrong position.


Trivial merge