Update SourceKit for getInterfaceType() changes

lib/Sema/DerivedConformanceCodingKey.cpp

@@ -333,8 +333,6 @@ deriveBodyCodingKey_init_stringValue(AbstractFunctionDecl *initDecl, void *) {
 static bool canSynthesizeCodingKey(DerivedConformance &derived) {
   auto enumDecl = cast<EnumDecl>(derived.Nominal);
   // Validate the enum and its raw type.
-  // FIXME(InterfaceTypeRequest): Remove this.
-  (void)enumDecl->getInterfaceType();
   
   // If the enum has a raw type (optional), it must be String or Int.
   Type rawType = enumDecl->getRawType();

lib/Sema/TypeCheckAttr.cpp

@@ -2136,8 +2136,6 @@ static FuncDecl *findReplacedAccessor(DeclName replacedVarName,
   // Filter out any accessors that won't work.
   if (!results.empty()) {
     auto replacementStorage = replacement->getStorage();
-    // FIXME(InterfaceTypeRequest): Remove this.
-    (void)replacementStorage->getInterfaceType();
     Type replacementStorageType = getDynamicComparisonType(replacementStorage);
     results.erase(std::remove_if(results.begin(), results.end(),
         [&](ValueDecl *result) {
@@ -2149,8 +2147,6 @@ static FuncDecl *findReplacedAccessor(DeclName replacedVarName,
             return true;
 
           // Check for type mismatch.
-          // FIXME(InterfaceTypeRequest): Remove this.
-          (void)result->getInterfaceType();
           auto resultType = getDynamicComparisonType(result);
           if (!resultType->isEqual(replacementStorageType) &&
               !resultType->matches(
@@ -2236,8 +2232,6 @@ findReplacedFunction(DeclName replacedFunctionName,
     if (result->isStatic() != replacement->isStatic())
       continue;
     
-    // FIXME(InterfaceTypeRequest): Remove this.
-    (void)result->getInterfaceType();
     TypeMatchOptions matchMode = TypeMatchFlags::AllowABICompatible;
     matchMode |= TypeMatchFlags::AllowCompatibleOpaqueTypeArchetypes;
     if (result->getInterfaceType()->getCanonicalType()->matches(

lib/Sema/TypeCheckProtocolInference.cpp

@@ -764,8 +764,6 @@ AssociatedTypeDecl *AssociatedTypeInference::findDefaultedAssociatedType(
                                              TypeChecker &tc,
                                              AssociatedTypeDecl *assocType) {
   // If this associated type has a default, we're done.
-  // FIXME(InterfaceTypeRequest): Remove this.
-  (void)assocType->getInterfaceType();
   if (assocType->hasDefaultDefinitionType())
     return assocType;
 

test/SourceKit/CursorInfo/cursor_invalid.swift

@@ -25,7 +25,7 @@ func resyncParser2() {}
 // RUN: %sourcekitd-test -req=cursor -pos=4:13 %s -- %s | %FileCheck -check-prefix=CHECK1 %s
 // CHECK1: source.lang.swift.decl.var.local (4:13-4:14)
 // CHECK1: c
-// CHECK1: <Declaration>let c</Declaration>
+// CHECK1: <Declaration>let c: <Type usr="s:14cursor_invalid1CC">C</Type></Declaration>
 // CHECK1: OVERRIDES BEGIN
 // CHECK1: OVERRIDES END
 

test/SourceKit/Indexing/index.swift

@@ -52,7 +52,7 @@ extension CC : Prot {
   var extV : Int { return 0 }
 }
 
-class SubCC : CC, Prot {}
+class SubCC : CC {}
 
 var globV2: SubCC
 

test/SourceKit/Indexing/index.swift.response

@@ -501,13 +501,6 @@
           key.usr: <usr>,
           key.line: 55,
           key.column: 15
-        },
-        {
-          key.kind: source.lang.swift.ref.protocol,
-          key.name: "Prot",
-          key.usr: <usr>,
-          key.line: 55,
-          key.column: 19
         }
       ],
       key.entities: [
@@ -532,18 +525,11 @@
           key.line: 55,
           key.column: 15
         },
-        {
-          key.kind: source.lang.swift.ref.protocol,
-          key.name: "Prot",
-          key.usr: <usr>,
-          key.line: 55,
-          key.column: 19
-        },
         {
           key.kind: source.lang.swift.decl.function.constructor,
           key.usr: <usr>,
           key.line: 55,
-          key.column: 24,
+          key.column: 18,
           key.is_implicit: 1,
           key.related: [
             {
@@ -1222,6 +1208,13 @@
         }
       ]
     },
+    {
+      key.kind: source.lang.swift.decl.function.method.instance,
+      key.name: "meth()",
+      key.usr: <usr>,
+      key.line: 134,
+      key.column: 8
+    },
     {
       key.kind: source.lang.swift.decl.class,
       key.name: "CC4",

tools/SourceKit/lib/SwiftLang/SwiftDocSupport.cpp

@@ -533,10 +533,9 @@ static void reportRelated(ASTContext &Ctx, const Decl *D,
 
   } else if (auto *TAD = dyn_cast<TypeAliasDecl>(D)) {
 
-    if (TAD->hasInterfaceType()) {
+    if (auto Ty = TAD->getDeclaredInterfaceType()) {
       // If underlying type exists, report the inheritance and conformance of the
       // underlying type.
-      auto Ty = TAD->getDeclaredInterfaceType();
       if (auto NM = Ty->getAnyNominal()) {
         passInherits(NM->getInherited(), Consumer);
         passConforms(NM->getSatisfiedProtocolRequirements(/*Sorted=*/true),

tools/SourceKit/lib/SwiftLang/SwiftSourceDocInfo.cpp

@@ -778,11 +778,11 @@ static bool passCursorInfoForDecl(SourceFile* SF,
   unsigned USREnd = SS.size();
 
   unsigned TypenameBegin = SS.size();
-  if (VD->hasInterfaceType()) {
+  if (auto vdType = VD->getInterfaceType()) {
     llvm::raw_svector_ostream OS(SS);
     PrintOptions Options;
     Options.PrintTypeAliasUnderlyingType = true;
-    VD->getInterfaceType().print(OS, Options);
+    vdType.print(OS, Options);
   }
   unsigned TypenameEnd = SS.size();