diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index f0b0fad..64b0baf 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -587,10 +587,10 @@
            .Case("is_convertible_to", LangOpts.CPlusPlus)
            .Case("is_empty", LangOpts.CPlusPlus)
            .Case("is_enum", LangOpts.CPlusPlus)
+           .Case("is_literal", LangOpts.CPlusPlus)
            .Case("is_pod", LangOpts.CPlusPlus)
            .Case("is_polymorphic", LangOpts.CPlusPlus)
            .Case("is_union", LangOpts.CPlusPlus)
-           .Case("is_literal", LangOpts.CPlusPlus)
            .Case("tls", PP.getTargetInfo().isTLSSupported())
            .Default(false);
 }