Reject static abstract member invocations on F# interface types #19232
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Reject static abstract member invocations on F# interface types #19232
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…#19231) Extend the pattern match in ConstraintSolver.fs to also reject FSMeth when it represents a static abstract interface member being called directly on the interface type. The check handles FSMeth case alongside ILMeth: - Not a constrained call via type parameter - Not an instance member (i.e., static) - Is on an interface type - Is a dispatch slot member (abstract) Uses the same error message 3866 (chkStaticAbstractInterfaceMembers).
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abonie
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Jan 22, 2026
This was referenced Jan 22, 2026
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Fixes issue #19231
Extend the pattern match in ConstraintSolver.fs to also reject FSMeth when it represents a static abstract interface member being called directly on the interface type.
The check handles FSMeth case alongside ILMeth: