Assertion failed 'markedLastLoop && markedCurrLoop' during 'Generate code'  #65988

// Found by Antigen
using System;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
public class TestClass
{
    public struct S1
    {
        public decimal decimal_0;
    }
    public struct S2
    {
        public S1 s1_2;
    }
    static bool s_bool_3 = false;
    static int s_int_9 = 1;
    bool bool_19 = true;
    decimal decimal_22 = 0.0851063829787234042553191489m;
    S1 s1_33 = new S1();
    public decimal LeafMethod3()
    {
        unchecked
        {
            return 15-4-4% decimal_22+ 67;
        }
    }
    public int LeafMethod6()
    {
        unchecked
        {
            return 15<<4;
        }
    }
    public void Method0()
    {
        unchecked
        {
            bool bool_79 = true;
            int int_85 = 76;
            S1 s1_93 = new S1();
            S2 s2_94 = new S2();
            for (;;)
            {
                if (bool_79)
                {
                    if (s_bool_3)
                    {
                    }
                    else
                    {
                        if (bool_19 = 15==4)
                        {
                        }
                        else
                        {
                            if (LeafMethod6() < (s_int_9 *= int_85))
                            {
                                s1_33.decimal_0 += decimal_22 -= 15*4- -2147483646.9375m;
                            }
                            else
                            {
                            }
                        }
                    }
                }
                else
                {
                }
                s1_93.decimal_0 /= (s1_33.decimal_0 /= LeafMethod3() * (s2_94.s1_2.decimal_0 += 15+4)+ 25)+ 28;
            }
            return;
        }
    }
    public static void Main(string[] args)
    {
        new TestClass().Method0();
    }
}
/*
Environment:

set COMPlus_TC_OnStackReplacement=1
set COMPlus_TC_QuickJitForLoops=1
set COMPlus_TC_OnStackReplacement_InitialCounter=1
set COMPlus_OSR_HitLimit=1
set COMPlus_EnableSSE2=0

Assert failure(PID 114444 [0x0001bf0c], Thread: 10776 [0x2a18]): Assertion failed 'markedLastLoop && markedCurrLoop' in 'DecCalc:DecAddSub(byref,byref,bool)' during 'Generate code' (IL size 1289)
    File: D:\git\dotnet-runtime\src\coreclr\jit\emit.cpp Line: 5284
    Image: d:\git\dotnet-runtime\artifacts\tests\coreclr\windows.x64.Checked\tests\Core_Root\CoreRun.exe
*/