tree c2e1031442d5719b82660b8622f41fa625c5611a
parent 885a4efdd81f0f24f20a8e9728c544154e11b96a
author Tom Sepez <tsepez@chromium.org> 1578442825 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1578442825 +0000

CHECK() that content layout item lists do not get tangled.

Diagnostic for something hit in another (broken) CL, which has
uncovered a place where lists get tangled.  Fix that, too.

-- Add CHECK_NE() to logging.h while we're at it.

Change-Id: Id71029f78d43ef2cd08a83ab07bc1c5c2aa93c4a
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/64532
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>