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When wrapping a function which is supposed to capture the caller’s location, there’s always a risk that the wrapper won’t capture the information the wrapped function wants; for instance, you might pass `(…, line, column)` where the callee expected `(…, column, line)`. This commit emits a warning when a call passes an explicit argument to something that has a default argument, and that explicit argument is itself a parameter with a default argument, and both parameters use magic identifiers, but they use *different* magic identifiers. This is partially in support of concise #file, but applies to all magic identifiers. Fixes rdar://problem/58588633.
4 lines
199 B
Swift
4 lines
199 B
Swift
func callee(file: String = #file) {} // expected-note {{'file' declared here}}
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func callee(optFile: String? = #file) {} // expected-note {{'optFile' declared here}}
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func callee(arbitrary: String) {}
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