Encode long double.

llvm-svn: 83912
diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index 620037c..bbe113b 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -165,6 +165,7 @@
   case BuiltinType::LongLong:  Encoding = llvm::dwarf::DW_ATE_signed; break;
   case BuiltinType::Bool:      Encoding = llvm::dwarf::DW_ATE_boolean; break;
   case BuiltinType::Float:
+  case BuiltinType::LongDouble:
   case BuiltinType::Double:    Encoding = llvm::dwarf::DW_ATE_float; break;
   }
   // Bit size, align and offset of the type.