[dwarf] Add new language enumerations.

This updates the DWARF language identifiers to include recent additions to
the DWARF 5 specification (draft).

llvm-svn: 216486
diff --git a/lldb/source/Target/LanguageRuntime.cpp b/lldb/source/Target/LanguageRuntime.cpp
index e8bd76c..9d48d8b 100644
--- a/lldb/source/Target/LanguageRuntime.cpp
+++ b/lldb/source/Target/LanguageRuntime.cpp
@@ -316,6 +316,9 @@
     {   "ocaml",            eLanguageTypeOCaml          },
     {   "rust",             eLanguageTypeRust           },
     {   "c11",              eLanguageTypeC11            },
+    {   "swift",            eLanguageTypeSwift          },
+    {   "julia",            eLanguageTypeJulia          },
+    {   "dylan",            eLanguageTypeDylan          },
     // Now synonyms, in arbitrary order
     {   "objc",             eLanguageTypeObjC           },
     {   "objc++",           eLanguageTypeObjC_plus_plus }