Brent Royal-Gordon 4d7046f95a [SourceKitSwiftLang] Avoid call with null this ...

If an imported Objective-C method had no owning clang module, passCursorInfoForDecl() would call clang::Module::getFullModuleName() on a null instance. The current implementation of this method happens to terminate its loop immediately and return an empty string, but it’s best not to depend on this. Fixes a UBSan error in SourceKit/Mixed/cursor_mixed_header.swift.

2018-08-29 22:53:40 -07:00

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