James Price 2f2400bfdc tint/validator: Check for conflicting diagnostic controls
Two diagnostic controls conflict if they have the same rule name and
different severities.

This change also allows duplicate diagnostic attributes.

Bug: tint:1809
Change-Id: I7622dd947ffa03292ad3340161688e00862d5b24
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/117801
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: James Price <jrprice@google.com>
2023-01-26 12:24:42 +00:00
..