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ld_prime of Xcode 15 produces duplicate symbols when linking a static library containing Objective-C++ object in case using the flags -ObjC and -Wl,force_load. // foo.h #pragma once int Inc(int i); // foo.mm #include "foo.h" #include <Foundation/Foundation.h> @interface Foo : NSObject @end @implementation Foo @end int Inc(int i) { return i + 1; }; // main.cpp #include "foo.h" int main(int argc, const char * argv[]) { return Inc(0); } ❯ clang++ -c foo.mm ❯ ar rcs libfoo.a foo.o ❯ clang++ -framework Foundation libfoo.a -x c++ main.cpp -Wl,-force_load,libfoo.a -ObjC duplicate symbol '__Z3Inci' in: libfoo.a[2](foo.o) libfoo.a[2](foo.o) duplicate symbol '_OBJC_CLASS_$_Foo' in: libfoo.a[2](foo.o) libfoo.a[2](foo.o) duplicate symbol '_OBJC_METACLASS_$_Foo' in: libfoo.a[2](foo.o) libfoo.a[2](foo.o) ld: 3 duplicate symbols clang: error: linker command failed with exit code 1 (use -v to see invocation)```