Move to swift-tools-version:5.2 This should allow Swift 5.2's package resolution to not resolve dependencies only used in test targets (in this case, FileCheck and all the dependencies it brings).
Move to swift-tools-version:5.2
This should allow Swift 5.2's package resolution to not resolve dependencies only used in test targets (in this case, FileCheck and all the dependencies it brings).

trill-lang/LLVMSwift