Define and implement CXXNoexceptExpr. Create it in Sema.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113623 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/StmtProfile.cpp b/lib/AST/StmtProfile.cpp
index 843248c..607cf21 100644
--- a/lib/AST/StmtProfile.cpp
+++ b/lib/AST/StmtProfile.cpp
@@ -830,6 +830,10 @@
     VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
 }
 
+void StmtProfiler::VisitCXXNoexceptExpr(CXXNoexceptExpr *S) {
+  VisitExpr(S);
+}
+
 void StmtProfiler::VisitObjCStringLiteral(ObjCStringLiteral *S) {
   VisitExpr(S);
 }