runtime: silence -Wunused-variable warning (NFC) #32183
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`classMetadata` is only used in the ObjC path, resulting in a `-Wunused-variable` warning. Sink the variable into the ObjC path. Because the conversion of the metadata does not rely on the type metadata bits in the metadata, it is safe to delay the definition and bit adjustment to the point where it is used unifying the two ObjC paths.
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CC: @mikeash |
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@swift-ci please test |
mikeash
approved these changes
Jun 4, 2020
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classMetadatais only used in the ObjC path, resulting in a-Wunused-variablewarning. Sink the variable into the ObjC path.Because the conversion of the metadata does not rely on the type
metadata bits in the metadata, it is safe to delay the definition and
bit adjustment to the point where it is used unifying the two ObjC
paths.
Replace this paragraph with a description of your changes and rationale. Provide links to external references/discussions if appropriate.
Resolves SR-NNNN.