Fix debug info encodings for char16_t and char32_t.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139502 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index 409a66b..0b2bb61 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -333,9 +333,9 @@
   case BuiltinType::UChar:
   case BuiltinType::Char_U: Encoding = llvm::dwarf::DW_ATE_unsigned_char; break;
   case BuiltinType::Char_S:
-  case BuiltinType::Char16:
-  case BuiltinType::Char32:
   case BuiltinType::SChar: Encoding = llvm::dwarf::DW_ATE_signed_char; break;
+  case BuiltinType::Char16:
+  case BuiltinType::Char32: Encoding = llvm::dwarf::DW_ATE_UTF; break;
   case BuiltinType::UShort:
   case BuiltinType::UInt:
   case BuiltinType::UInt128: