Alex Hoppen e835c4a031 [Refactoring] Fix a crash that occurred when converting if/else of enum with raw value to switch statement ...

If the enum has a raw value, `E` passed in to `BinaryExpr` is a `DeclRefExpr`, not a `DotSyntaxCallExpr`, so we crashed on `dyn_cast<DotSyntaxCallExpr>(E->getFn())->getFn()`.

Only look through `DotSyntaxCallExpr` if `E` is indeed a `DotSyntaxCallExpr`. While at it, fix a few other potential sources of nullptr crashes.

rdar://84707973

2022-05-02 15:52:24 +02:00

5.8 KiB

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