Type::isIntegerType() returns true for types between Bool and LongLong.
Put WChar between them to make it integer type.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54882 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/wchar_t.cpp b/test/SemaCXX/wchar_t.cpp
index 43dd6ee..e3cd77a 100644
--- a/test/SemaCXX/wchar_t.cpp
+++ b/test/SemaCXX/wchar_t.cpp
@@ -5,4 +5,5 @@
   wchar_t x;
   unsigned wchar_t y; // expected-warning {{'wchar_t' cannot be signed or unsigned}}
   signed wchar_t z; // expected-warning {{'wchar_t' cannot be signed or unsigned}}
+  ++x;
 }