tree 1c0e88a2d16dfc8384cb5d0f5dc282f42bfad18e
parent d1684d9a1cfc763e4a640d432e1bfe7e68063540
author Lázaro Clapp <lazaro.clapp@gmail.com> 1541532541 -0800
committer GitHub <noreply@github.com> 1541532541 -0800
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Fix error on checking the initTree2PrevFieldInit cache. (#252)

We were saving a `ClassSymbol` but testing for the `ClassTree`. 
This didn't cause a functional problem, but it means the cache wasn't being hit.