tree 872bab84a70c511b0b2a98f2fcccc01395580b40
parent e590351bf3ca8c0a9c6ebb710ad1567c04ebb59c
author Yunxing Dai <yunxing@google.com> 1591829941 -0700
committer TensorFlower Gardener <gardener@tensorflow.org> 1591830331 -0700

Sanity-check if a operand of a new instruction is already dead.

Otherwise it's impossible to find the issue especially for new contributors.

PiperOrigin-RevId: 315786852
Change-Id: I9f2eb350ec36ebc8ffc2358799b680fb13898113