Disallow function parameters in VarDeclaration statements.

Function parameters can't be explicitly declared as statements.
It shouldn't be possible to reach this assertion.

Change-Id: If19395f80112c61e3bd027f0fe3a251393c84767
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/442296
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
1 file changed