Reland r160052: Default to -std=c++11 on Windows.

Also update the tests that rely on c++98 to explicitly mention that.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162890 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Index/complete-cxx-inline-methods.cpp b/test/Index/complete-cxx-inline-methods.cpp
index d441972..ee359f7 100644
--- a/test/Index/complete-cxx-inline-methods.cpp
+++ b/test/Index/complete-cxx-inline-methods.cpp
@@ -23,8 +23,8 @@
 };
 }
 
-// RUN: c-index-test -code-completion-at=%s:4:9 %s | FileCheck %s
-// RUN: c-index-test -code-completion-at=%s:13:7 %s | FileCheck %s
+// RUN: c-index-test -code-completion-at=%s:4:9 -std=c++98 %s | FileCheck %s
+// RUN: c-index-test -code-completion-at=%s:13:7 -std=c++98 %s | FileCheck %s
 // CHECK:      CXXMethod:{ResultType MyCls::Vec &}{TypedText operator=}{LeftParen (}{Placeholder const MyCls::Vec &}{RightParen )} (34)
 // CHECK-NEXT: StructDecl:{TypedText Vec}{Text ::} (75)
 // CHECK-NEXT: FieldDecl:{ResultType int}{TypedText x} (35)