Steps to reproduce the problem:
1. gn gen --args='...' out/Debug and out/Release on the same chromium sourcecode
2. git cl upload to upload a patch for blink
3. Presubmit ERRORS

What is the expected behavior?

What went wrong?
Presubmit ERRORS: 
Configuration does not match the GN build args. Expected "Debug" but got "Release".

Did this work before? N/A 

Chrome version: 73.0.3648.0  Channel: stable
OS Version: 6.0
Flash Version: