update test cases

Author: WANGJIEKE

test/Interop/lit.local.cfg

@@ -29,9 +29,9 @@ config.substitutions.insert(0, ('%target-interop-build-clangxx', '%target-clangx
 
 # Test parsing of the generated C++ header in different C++ language modes.
 config.substitutions.insert(0, ('%check-interop-cxx-header-in-clang\(([^)]+)\)',
-                             SubstituteCaptures(r'%check-cxx-header-in-clang -std=c++14 -Wno-padded -Wno-c11-extensions \1 && '
-                                                r'%check-cxx-header-in-clang -std=c++17 -Wno-padded -Wno-c11-extensions \1 && '
-                                                r'%check-cxx-header-in-clang -std=c++20 -Wno-padded -Wno-c11-extensions \1')))
+                             SubstituteCaptures(r'%check-cxx-header-in-clang -std=c++14 -Wno-padded -Wno-c11-extensions -D_LIBCPP_CSTDLIB \1 && '
+                                                r'%check-cxx-header-in-clang -std=c++17 -Wno-padded -Wno-c11-extensions -D_LIBCPP_CSTDLIB \1 && '
+                                                r'%check-cxx-header-in-clang -std=c++20 -Wno-padded -Wno-c11-extensions -D_LIBCPP_CSTDLIB \1')))
 
 # Test parsing of the generated C header in different C language modes.
 config.substitutions.insert(0, ('%check-interop-c-header-in-clang\(([^)]+)\)',

test/PrintAsCxx/empty.swift

@@ -29,6 +29,7 @@
 // CHECK-NEXT:  #include <cstddef>
 // CHECK-NEXT:  #include <cstdbool>
 // CHECK-NEXT:  #include <cstring>
+// CHECK-NEXT:  #include <new>
 // CHECK-NEXT:  #include <stdlib.h>
 // CHECK-NEXT:  #if defined(_WIN32)
 // CHECK-NEXT:  #include <malloc.h>

test/PrintAsObjC/empty.swift

@@ -4,8 +4,8 @@
 
 // RUN: %check-in-clang -std=c99 %t/empty.h
 // RUN: %check-in-clang -std=c11 %t/empty.h
-// RUN: %check-cxx-header-in-clang -x objective-c++-header -std=c++11 %t/empty.h
-// RUN: %check-cxx-header-in-clang -x objective-c++-header -std=c++14 %t/empty.h
+// RUN: %check-cxx-header-in-clang -x objective-c++-header -std=c++11 -D_LIBCPP_CSTDLIB %t/empty.h
+// RUN: %check-cxx-header-in-clang -x objective-c++-header -std=c++14 -D_LIBCPP_CSTDLIB %t/empty.h
 
 // RUN: %check-in-clang -std=c99 -fno-modules -Qunused-arguments %t/empty.h
 // RUN: not %check-in-clang -I %S/Inputs/clang-headers %t/empty.h 2>&1 | %FileCheck %s --check-prefix=CUSTOM-OBJC-PROLOGUE