IDE: fix printTypeInterface

The missing module was causing not only a crash in conformance lookup,
but full qualification for a generic parameter, which shouldn't ever be
needed.

Author: kavon

lib/IDE/ModuleInterfacePrinting.cpp

@@ -177,6 +177,7 @@ printTypeInterface(ModuleDecl *M, Type Ty, ASTPrinter &Printer,
     PrintOptions Options = PrintOptions::printTypeInterface(
         Ty.getPointer(),
         Ty->getASTContext().TypeCheckerOpts.PrintFullConvention);
+    Options.CurrentModule = M;
     ND->print(Printer, Options);
     printTypeNameToString(Ty, TypeName);
     return false;

test/IDE/print_type_interface.swift

@@ -54,12 +54,12 @@ extension D {
   public func unconditionalFunc2(t : T) -> T {return t}
 }
 
-// TYPE2: public class D<print_type_interface.T1> {
+// TYPE2: public class D<T1> {
 // TYPE2:    public func foo()
 // TYPE2:    public func conditionalFunc1()
-// TYPE2:    public func conditionalFunc2(t: print_type_interface.T1) -> print_type_interface.T1
+// TYPE2:    public func conditionalFunc2(t: T1) -> T1
 // TYPE2:    public func unconditionalFunc1()
-// TYPE2:    public func unconditionalFunc2(t: print_type_interface.T1) -> print_type_interface.T1
+// TYPE2:    public func unconditionalFunc2(t: T1) -> T1
 // TYPE2: }
 
 // TYPE3: public class D<Int> {

test/SourceKit/InterfaceGen/gen_swift_type.swift

@@ -38,7 +38,7 @@ struct S1 {
 // CHECK3: public func fea1()
 // CHECK3: public func fea2()
 
-// CHECK4: public struct Array<gen_swift_type.A>
+// CHECK4: public struct Array<A>
 
 public protocol P1 { }
 public class T1 : P1 { }
@@ -63,12 +63,12 @@ extension D {
   public func unconditionalFunc2(t : T) -> T {return t}
 }
 
-// CHECK5: public class D<gen_swift_type.T1> {
+// CHECK5: public class D<T1> {
 // CHECK5: public func foo()
 // CHECK5: public func conditionalFunc1()
-// CHECK5: public func conditionalFunc2(t: gen_swift_type.T1) -> gen_swift_type.T1
+// CHECK5: public func conditionalFunc2(t: T1) -> T1
 // CHECK5: public func unconditionalFunc1()
-// CHECK5: public func unconditionalFunc2(t: gen_swift_type.T1) -> gen_swift_type.T1
+// CHECK5: public func unconditionalFunc2(t: T1) -> T1
 
 // CHECK6: public class D<Int> {
 // CHECK6: public func foo()