Unconditionally Record Type Body Fingerprints #34700
Merged
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We used to disable these for extensions, which meant changes to extensions would pessimistically cause every decl in the file to be considered dirty.
The test here was incorrect - there was no use of
A.x
, and computed properties do not contribute to the implicit initializer generated for the structA
, so there was no reason to rebuild the other file. I've corrected the test to introduce an overload of the default initializer instead, which will actually detect if we fail to track the member use here.