Merge pull request swiftlang#82903 from nate-chandler/cherrypick/release/6.2/rdar155059418

6.2: [ODL] Visit objc_method insts.

Author: nate-chandler

lib/SILOptimizer/Mandatory/MoveOnlyWrappedTypeEliminator.cpp

@@ -241,6 +241,7 @@ struct SILMoveOnlyWrappedTypeEliminatorVisitor
   NO_UPDATE_NEEDED(ExistentialMetatype)
   NO_UPDATE_NEEDED(Builtin)
   NO_UPDATE_NEEDED(IgnoredUse)
+  NO_UPDATE_NEEDED(ObjCMethod)
 #undef NO_UPDATE_NEEDED
 
   bool eliminateIdentityCast(SingleValueInstruction *svi) {

validation-test/SILOptimizer/rdar155059418.swift

@@ -0,0 +1,21 @@
+// RUN: %empty-directory(%t)
+// RUN: split-file %s %t
+// RUN: %target-swift-frontend %t/Library.swift -sil-verify-all -emit-sil -import-objc-header %t/Header.h > /dev/null
+
+// REQUIRES: objc_interop
+
+//--- Header.h
+
+@import Foundation;
+
+@interface Foo : NSObject
+@property (nonatomic, readwrite) NSUInteger length;
+@end
+
+//--- Library.swift
+
+func foo(_ x: borrowing Foo) -> UInt {
+    let y = x.length
+    return y
+}
+