Parsing, ASTs, and semantic analysis for the declaration of conversion
functions in C++, e.g.,

  struct X {
    operator bool() const;
  };

Note that these conversions don't actually do anything, since we don't
yet have the ability to use them for implicit or explicit conversions.

llvm-svn: 58860
diff --git a/clang/lib/AST/DeclBase.cpp b/clang/lib/AST/DeclBase.cpp
index de7a1d3..7e51ef5 100644
--- a/clang/lib/AST/DeclBase.cpp
+++ b/clang/lib/AST/DeclBase.cpp
@@ -239,6 +239,7 @@
   case CXXMethod:
   case CXXConstructor:
   case CXXDestructor:
+  case CXXConversion:
   case CXXClassVar:
     break;
   }