tree 5213a412e93cab451646a47c2b7739f1b742d80f
parent 40a7940e05728bb7abd32cf88015707a1fbe7dd2
author alan-baker <33432579+alan-baker@users.noreply.github.com> 1549981441 -0500
committer GitHub <noreply@github.com> 1549981441 -0500
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Don't merge unreachable blocks (#2375)

Fixes #2374

* Block merging no longer merges unreachable blocks into their
successors
 * added a test