Sema for Captured Statements

Add CapturedDecl to be the DeclContext for CapturedStmt, and perform semantic
analysis. Currently captures all variables by reference.

TODO: templates

Author: Ben Langmuir <ben.langmuir@intel.com>

Differential Revision: http://llvm-reviews.chandlerc.com/D433


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179618 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDecl.cpp b/lib/CodeGen/CGDecl.cpp
index 15bb6a6..173ca6c 100644
--- a/lib/CodeGen/CGDecl.cpp
+++ b/lib/CodeGen/CGDecl.cpp
@@ -70,6 +70,7 @@
   case Decl::Friend:
   case Decl::FriendTemplate:
   case Decl::Block:
+  case Decl::Captured:
   case Decl::ClassScopeFunctionSpecialization:
     llvm_unreachable("Declaration should not be in declstmts!");
   case Decl::Function:  // void X();