tree c501711010fbc7a597cf8511cc7d46af71bfa2f9
parent 77040b85d92ba8dadc1d406c6fb6dc50b5ea7c84
author dan sinclair <dsinclair@google.com> 1595863500 +0000
committer Sarah Mashayekhi <sarahmashay@google.com> 1595863500 +0000

Convert LoopStatement to use BlockStatement.

This CL converts the LoopStatement class to using a BlockStatement
internally. All usages have been updated execept for the two readers.

Bug: tint:130
Change-Id: Ied4b82f0ef49c7b92caa040bcf73050093022df7
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/25723
Reviewed-by: Sarah Mashayekhi <sarahmashay@google.com>