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e1699caf81
When converting a for-loop to a loop, we were not cloning the for-loop's body, but rather the statements within it. This worked fine, except if we also hoisted a variable to a let within that body, which requires the body to be cloned for the 'insert before' to work. This change clones the for-loop body, which fixes the problem, but introduces a block in the destination AST, which is ugly, but not incorrect. Bug: tint:1300 Change-Id: I478244d87f8cf58837102004242ba1c835e21710 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/78821 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Antonio Maiorano <amaiorano@google.com>