Assertion failed '(emitThisGCrefRegs & regMask) == 0' during 'Emit code' (IL size 129) #65311
Description
Description
The following program hits a JIT assert on win-x86.
Reproduction Steps
// Generated by Fuzzlyn v1.5 on 2022-02-13 16:58:00
// Run on X86 Windows
// Seed: 17417076199071509021
// Reduced from 70.5 KiB to 0.7 KiB in 00:02:32
// Hits JIT assert in Release:
// Assertion failed '(emitThisGCrefRegs & regMask) == 0' in 'Program:Main(Fuzzlyn.ExecutionServer.IRuntime)' during 'Emit code' (IL size 129)
//
// File: D:\a\_work\1\s\src\coreclr\jit\emitxarch.cpp Line: 12182
//
public class C0
{
public int F1;
public short F2;
}
public class Program
{
public static long s_1;
public static C0 s_3;
public static void Main()
{
bool vr0 = default(bool);
s_3.F2 = s_3.F2++;
if (!vr0)
{
if (vr0)
{
vr0 = s_3.F2 <= s_3.F1;
short vr2 = (short)s_1;
sbyte vr1 = (sbyte)vr2;
try
{
vr1 >>= s_3.F1;
}
finally
{
vr0 = vr0;
}
System.Console.WriteLine(vr1);
}
}
System.Console.WriteLine(vr0);
}
}Expected behavior
No assert hit.
Actual behavior
Assert hit.
Regression?
No response
Known Workarounds
No response
Configuration
No response
Other information
No response
