Silence a warning by giving Parser::FieldCallback a virtual destructor, and

anchor the vtable to Parser.cpp for good measure.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85927 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/Parse/Parser.cpp b/lib/Parse/Parser.cpp
index e69cb72a0a..cc4aec6297 100644
--- a/lib/Parse/Parser.cpp
+++ b/lib/Parse/Parser.cpp
@@ -1019,3 +1019,10 @@ bool Parser::TryAnnotateCXXScopeToken(bool EnteringContext) {
   PP.AnnotateCachedTokens(Tok);
   return true;
 }
+
+// Anchor the Parser::FieldCallback vtable to this translation unit.
+// We use a spurious method instead of the destructor because
+// destroying FieldCallbacks can actually be slightly
+// performance-sensitive.
+void Parser::FieldCallback::_anchor() {
+}