diff options
| -rw-r--r-- | include/clang/Parse/Parser.h | 4 | ||||
| -rw-r--r-- | lib/Parse/Parser.cpp | 7 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/clang/Parse/Parser.h b/include/clang/Parse/Parser.h index 14dc8f8e36..3849f9d0d5 100644 --- a/include/clang/Parse/Parser.h +++ b/include/clang/Parse/Parser.h @@ -983,6 +983,10 @@ private: struct FieldCallback { virtual DeclPtrTy invoke(FieldDeclarator &Field) = 0; + virtual ~FieldCallback() {} + + private: + virtual void _anchor(); }; void ParseStructDeclaration(DeclSpec &DS, FieldCallback &Callback); 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() { +} |