| // RUN: %target-swift-frontend -emit-sil -O -emit-object %s |
| |
| // We used to crash on this when trying to devirtualize a call to: |
| // |
| // %168 = witness_method $Array<String>, #Sequence."~>"!1 : $@convention(witness_method: Sequence) <τ_0_0, τ_1_0 where τ_0_0 : Sequence, τ_0_0.Generator : Generator> (@out Optional<τ_1_0>, @in τ_0_0, _PreprocessingPass, @owned @callee_owned (@out τ_1_0, @in τ_0_0) -> (), @thick τ_0_0.Type) -> () |
| // ... |
| // %181 = apply %168<Array<String>, IndexingIterator<Array<String>>, String, Int>(%166#1, %169#1, %180, %179, %167) : $@convention(witness_method: Sequence) <τ_0_0, τ_1_0 where τ_0_0 : Sequence, τ_0_0.Generator : Generator> (@out Optional<τ_1_0>, @in τ_0_0, _PreprocessingPass, @owned @callee_owned (@out τ_1_0, @in τ_0_0) -> (), @thick τ_0_0.Type) -> () |
| // |
| // rdar://17399536 |
| // rdar://17440222 |
| |
| // SILModule::lookUpFunctionInWitnessTable returns a substitution |
| // array of size one. GenericSignature::getSubstitutionMap expects |
| // the array to have size two (t_0_0 and t_0_1). We combine the |
| // substitution list from lookUpFunctionInWitnessTable and the list |
| // from ApplyInst to match what GenericSignature expects. |
| |
| func asHex(a: [UInt8]) -> String { |
| return a.map { "0x" + String($0, radix: 16) }.joined(separator: "") |
| } |
