skia2/tests/sksl/errors/Ossfuzz37457.glsl

### Compilation failed:

error: 1: unknown identifier 'b'
1 error
Fix assertion discovered by fuzzer. We now stop processing a var-declaration if its array-size expression is invalid. Previously, we'd pass a null array-size expression into convertVar, which would assert (but would fail cleanly afterwards). Change-Id: I976f3326e32afbc7045a86d73c0dcb28f418a6f4 Bug: oss-fuzz:37457 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/441079 Auto-Submit: John Stiles <johnstiles@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Brian Osman <brianosman@google.com> 2021-08-21 21:13:11 +00:00			`### Compilation failed:`

			`error: 1: unknown identifier 'b'`
			`1 error`