Fix test case for 4.2

Author: aschwaighofer

test/SILGen/witnesses.swift

@@ -380,7 +380,7 @@ protocol IUOFailableClassRequirement: class {
 final class NonFailableClassModel: FailableClassRequirement, NonFailableClassRefinement, IUOFailableClassRequirement {
   // CHECK-LABEL: sil private [transparent] [thunk] @$S9witnesses21NonFailableClassModelCAA0cD11Requirement{{[_0-9a-zA-Z]*}}fCTW : $@convention(witness_method: FailableClassRequirement) (Int, @thick NonFailableClassModel.Type) -> @owned Optional<NonFailableClassModel>
   // CHECK-LABEL: sil private [transparent] [thunk] @$S9witnesses21NonFailableClassModelCAA0bcD10Refinement{{[_0-9a-zA-Z]*}}fCTW : $@convention(witness_method: NonFailableClassRefinement) (Int, @thick NonFailableClassModel.Type) -> @owned NonFailableClassModel
-  // CHECK-LABEL: sil private [transparent] [thunk] @$S9witnesses21NonFailableClassModelCAA011IUOFailableD11Requirement{{[_0-9a-zA-Z]*}}fCTW : $@convention(witness_method: IUOFailableRequirement) (Int, @thick NonFailableClassModel.Type) -> @owned Optional<NonFailableClassModel>
+  // CHECK-LABEL: sil private [transparent] [thunk] @$S9witnesses21NonFailableClassModelCAA011IUOFailableD11Requirement{{[_0-9a-zA-Z]*}}fCTW : $@convention(witness_method: IUOFailableClassRequirement) (Int, @thick NonFailableClassModel.Type) -> @owned Optional<NonFailableClassModel>
   init(foo: Int) {}
 }
 
@@ -541,6 +541,6 @@ struct MyImpl :Sub {
 }
 
 // protocol witness for witnesses.Sub.bar() -> () in conformance witnesses.MyImpl : witnesses.Sub in witnesses
-// CHECK: sil private [transparent] [thunk] @$s9witnesses6MyImplVAA3SubA2aDP3baryyFTW : $@convention(witness_method: Sub) (@in_guaranteed MyImpl) -> ()
+// CHECK: sil private [transparent] [thunk] @$S9witnesses6MyImplVAA3SubA2aDP3baryyFTW : $@convention(witness_method: Sub) (@in_guaranteed MyImpl) -> ()
 // protocol witness for witnesses.Base.foo() -> () in conformance witnesses.MyImpl : witnesses.Base in witnesses
-// CHECK: sil private [transparent] [thunk] @$s9witnesses6MyImplVAA4BaseA2aDP3fooyyFTW : $@convention(witness_method: Base) (@in_guaranteed MyImpl) -> ()
+// CHECK: sil private [transparent] [thunk] @$S9witnesses6MyImplVAA4BaseA2aDP3fooyyFTW : $@convention(witness_method: Base) (@in_guaranteed MyImpl) -> ()