Merge branch 'main' of https://github.com/rust-lang/rust-bindgen into upstream-roll-4

Author: adetaylor

bindgen-tests/tests/expectations/tests/specific_receiver.rs

@@ -0,0 +1,7 @@
+// bindgen-flags: --use-specific-virtual-function-receiver --generate-inline-functions -- -x c++ -std=c++14
+
+class Fish {
+public:
+    virtual void swim() {
+    }
+};