Cleanup CI config

test/ranges-test.cc

@@ -710,10 +710,17 @@ struct codec_mask {
   int except = 0;
 };
 
+// A named functor instead of a lambda to avoid -Wsubobject-linkage: a lambda
+// gives the filter_view type internal linkage, which propagates to the
+// formatter base class via format_as.
+struct not_equal {
+  int value;
+  bool operator()(int c) const { return c != value; }
+};
+
 auto format_as(codec_mask mask) {
-  // Careful not to capture param by reference here, it will dangle.
   return codec_mask::codecs |
-         std::views::filter([mask](auto c) { return c != mask.except; });
+         std::views::filter(not_equal{mask.except});
 }
 }  // namespace views_filter_view_test