[clang] [llvm] Add macro to suppress -Wunnecessary-virtual-specifier (PR #139614)
Devon Loehr via cfe-commits
cfe-commits at lists.llvm.org
Wed May 14 08:15:31 PDT 2025
================
@@ -710,4 +710,17 @@ void AnnotateIgnoreWritesEnd(const char *file, int line);
#define LLVM_PREFERRED_TYPE(T)
#endif
+/// \macro LLVM_VIRTUAL_ANCHOR_FUNCTION
+/// This macro is used to adhere to LLVM's policy that each class with a vtable
+/// must have at least one out-of-line virtual function. This macro allows us
+/// to declare such a function in `final` classes without triggering a warning.
+// clang-format off
+// Autoformatting makes this look awful.
+#define LLVM_DECLARE_VIRTUAL_ANCHOR_FUNCTION() \
----------------
DKLoehr wrote:
Good point, wrapped it so it only suppresses the warning if we're clang.
https://github.com/llvm/llvm-project/pull/139614
More information about the cfe-commits
mailing list