[Fact]
public void SignatureMismatch_08()
{
    // nint/IntPtr difference
    var source = """
        using System;

        class C
        {

            public void Method1(nint param1) => throw null!;
            public void Method2(IntPtr param1) => throw null!;
        }

        static class Program
        {
            public static void Main()
            {
                var c = new C();
                c.Method1(default!);
                c.Method2(default!);

                c.Method2(default!);
                c.Method1(default!);
            }
        }
        """;
    var locations = GetInterceptableLocations(source);
    var interceptors = $$"""
        using System.Runtime.CompilerServices;
        using System;

        static class D
        {
            [InterceptsLocation({{GetAttributeArgs(locations[0]!)}})] // 1
            [InterceptsLocation({{GetAttributeArgs(locations[1]!)}})]
            public static void Interceptor1(this C s, IntPtr param2) => Console.Write(1);

            [InterceptsLocation({{GetAttributeArgs(locations[2]!)}})] // 2
            [InterceptsLocation({{GetAttributeArgs(locations[3]!)}})]
            public static void Interceptor2(this C s, nint param2) => Console.Write(2);
        }
        """;

    // TODO2: 'InterceptableLocation' is not finding the correct call with this specific set of inputs. change ANYTHING about the content of 'source' and expected errors will be reported.
    // It doesn't appear to be a hash collision issue, unsure yet what it really is.

    var comp = CreateCompilation([source, interceptors, s_attributesSource], parseOptions: RegularWithInterceptors);
    comp.VerifyEmitDiagnostics(
        // (6,6): warning CS9154: Intercepting a call to 'C.Method1(nint)' with interceptor 'D.Interceptor1(C, IntPtr)', but the signatures do not match.
        //     [InterceptsLocation(1, "7SN+G7Nd46k5We+z0k74ffUAAAA=")] // 1
        Diagnostic(ErrorCode.WRN_InterceptorSignatureMismatch, "InterceptsLocation").WithArguments("C.Method1(nint)", "D.Interceptor1(C, System.IntPtr)").WithLocation(6, 6),
        // (7,6): error CS9144: Cannot intercept method 'Console.Write(int)' with interceptor 'D.Interceptor1(C, IntPtr)' because the signatures do not match.
        //     [InterceptsLocation(1, "7SN+G7Nd46k5We+z0k74fRMBAAA=")]
        Diagnostic(ErrorCode.ERR_InterceptorSignatureMismatch, "InterceptsLocation").WithArguments("System.Console.Write(int)", "D.Interceptor1(C, System.IntPtr)").WithLocation(7, 6),
        // (10,6): warning CS9154: Intercepting a call to 'C.Method2(IntPtr)' with interceptor 'D.Interceptor2(C, nint)', but the signatures do not match.
        //     [InterceptsLocation(1, "7SN+G7Nd46k5We+z0k74fTMBAAA=")] // 2
        Diagnostic(ErrorCode.WRN_InterceptorSignatureMismatch, "InterceptsLocation").WithArguments("C.Method2(System.IntPtr)", "D.Interceptor2(C, nint)").WithLocation(10, 6));

    // TODO2: re-enable
#if false
    var verifier = CompileAndVerify([source, interceptors, s_attributesSource], parseOptions: RegularWithInterceptors, expectedOutput: "1122");
    verifier.VerifyDiagnostics(
        // (6,6): warning CS9154: Intercepting a call to 'C.Method1(nint)' with interceptor 'D.Interceptor1(C, IntPtr)', but the signatures do not match.
        //     [InterceptsLocation(1, "3ONc0QK7vNwCujpTORn5YvcAAAA=")] // 1
        Diagnostic(ErrorCode.WRN_InterceptorSignatureMismatch, "InterceptsLocation").WithArguments("C.Method1(nint)", "D.Interceptor1(C, System.IntPtr)").WithLocation(6, 6),
        // (10,6): warning CS9154: Intercepting a call to 'C.Method2(IntPtr)' with interceptor 'D.Interceptor2(C, nint)', but the signatures do not match.
        //     [InterceptsLocation(1, "3ONc0QK7vNwCujpTORn5YjUBAAA=")] // 2
        Diagnostic(ErrorCode.WRN_InterceptorSignatureMismatch, "InterceptsLocation").WithArguments("C.Method2(System.IntPtr)", "D.Interceptor2(C, nint)").WithLocation(10, 6));
#endif
}