diff --git a/lib/Parse/Parser.cpp b/lib/Parse/Parser.cpp
index 4fe038d271ad7f1ef8be160ff8d373b7123840d2..af29b5e9c673ce4b15139a224bc442e9dd4f5d11 100644
--- a/lib/Parse/Parser.cpp
+++ b/lib/Parse/Parser.cpp
@@ -763,6 +763,7 @@ Parser::ParseExternalDeclaration(ParsedAttributesWithRange &attrs,
     }
     // This must be 'export template'. Parse it so we can diagnose our lack
     // of support.
+    LLVM_FALLTHROUGH;
   case tok::kw_using:
   case tok::kw_namespace:
   case tok::kw_typedef:
@@ -1875,6 +1876,7 @@ bool Parser::isTokenEqualOrEqualTypo() {
     Diag(Tok, diag::err_invalid_token_after_declarator_suggest_equal)
         << Kind
         << FixItHint::CreateReplacement(SourceRange(Tok.getLocation()), "=");
+    LLVM_FALLTHROUGH;
   case tok::equal:
     return true;
   }