[interop] fix tests after fixing private annotations on the 'swift' namespace

Author: hyp

test/Interop/CxxToSwiftToCxx/bridge-cxx-struct-back-to-cxx.swift

@@ -166,7 +166,7 @@ public func takeTrivialInout(_ x: inout Trivial) {
 
 // CHECK: } // end namespace
 // CHECK-EMPTY:
-// CHECK-NEXT: namespace swift {
+// CHECK-NEXT: namespace swift SWIFT_PRIVATE_ATTR {
 // CHECK-NEXT: namespace _impl {
 // CHECK-EMPTY:
 // CHECK-NEXT: // Type metadata accessor for NonTrivialTemplateInt
@@ -205,7 +205,7 @@ public func takeTrivialInout(_ x: inout Trivial) {
 // CHECK-EMPTY:
 // CHECK-NEXT: } // end namespace
 // CHECK-EMPTY:
-// CHECK-NEXT: namespace swift {
+// CHECK-NEXT: namespace swift SWIFT_PRIVATE_ATTR {
 // CHECK-NEXT: namespace _impl {
 // CHECK-EMPTY:
 // CHECK-NEXT: // Type metadata accessor for NonTrivialTemplateTrivial

test/Interop/SwiftToCxx/class/swift-class-in-cxx.swift

@@ -34,7 +34,7 @@ public final class ClassWithIntField {
 // CHECK-NEXT: } // end namespace
 
 // CHECK: namespace
-// CHECK-SAME: swift {
+// CHECK-SAME: swift SWIFT_PRIVATE_ATTR {
 // CHECK-NEXT: #pragma clang diagnostic push
 // CHECK-NEXT: #pragma clang diagnostic ignored "-Wc++17-extensions"
 // CHECK-NEXT: template<>
@@ -84,7 +84,7 @@ public final class ClassWithIntField {
 // CHECK-EMPTY:
 // CHECK-NEXT: } // end namespace
 // CHECK-EMPTY:
-// CHECK-NEXT: namespace swift {
+// CHECK-NEXT: namespace swift SWIFT_PRIVATE_ATTR {
 // CHECK-NEXT: #pragma clang diagnostic push
 // CHECK-NEXT: #pragma clang diagnostic ignored "-Wc++17-extensions"
 // CHECK-NEXT: template<>

test/Interop/SwiftToCxx/generics/generic-struct-in-cxx.swift

@@ -261,7 +261,7 @@ public func inoutConcretePair(_ x: UInt16, _ y: inout GenericPair<UInt16, UInt16
 // CHECK-NEXT:   return result;
 // CHECK-NEXT: }
 
-// CHECK: namespace swift {
+// CHECK: namespace swift SWIFT_PRIVATE_ATTR {
 // CHECK-NEXT: #pragma clang diagnostic push
 // CHECK-NEXT: #pragma clang diagnostic ignored "-Wc++17-extensions"
 // CHECK-NEXT: template<class T_0_0, class T_0_1>

test/Interop/SwiftToCxx/structs/resilient-struct-in-cxx.swift

@@ -80,7 +80,7 @@ public struct FirstSmallStruct {
 // CHECK-EMPTY:
 // CHECK-NEXT: } // end namespace
 // CHECK-EMPTY:
-// CHECK-NEXT: namespace swift {
+// CHECK-NEXT: namespace swift SWIFT_PRIVATE_ATTR {
 // CHECK-NEXT: #pragma clang diagnostic push
 // CHECK-NEXT: #pragma clang diagnostic ignored "-Wc++17-extensions"
 // CHECK-NEXT: template<>

test/Interop/SwiftToCxx/structs/swift-struct-in-cxx.swift

@@ -12,7 +12,7 @@
 // CHECK: class SWIFT_SYMBOL("s:7Structs18StructWithIntFieldV") StructWithIntField;
 // CHECK-NEXT: } // end namespace
 
-// CHECK: namespace swift {
+// CHECK: namespace swift SWIFT_PRIVATE_ATTR {
 // CHECK-NEXT: #pragma clang diagnostic push
 // CHECK-NEXT: #pragma clang diagnostic ignored "-Wc++17-extensions"
 // CHECK-NEXT: template<>
@@ -85,7 +85,7 @@
 // CHECK-EMPTY:
 // CHECK-NEXT: } // end namespace
 // CHECK-EMPTY:
-// CHECK-NEXT: namespace swift {
+// CHECK-NEXT: namespace swift SWIFT_PRIVATE_ATTR {
 // CHECK-NEXT: #pragma clang diagnostic push
 // CHECK-NEXT: #pragma clang diagnostic ignored "-Wc++17-extensions"
 // CHECK-NEXT: template<>