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arch-arm32area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMIbugos-linuxLinux OS (any supported distro)Linux OS (any supported distro)
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Description
Description
The following program hits a JIT assert when compiled with optimizations on.
Reproduction Steps
// Generated by Fuzzlyn v1.5 on 2021-10-24 15:05:24
// Run on Arm Linux
// Seed: 12233313255942773337
// Reduced from 205.3 KiB to 0.5 KiB in 00:03:57
// Hits JIT assert in Release:
// Assertion failed 'size == EA_4BYTE' in 'S0:M21():ushort:this' during 'Generate code' (IL size 20)
//
// File: /__w/1/s/src/coreclr/jit/emitarm.cpp Line: 2912
//
public struct S0
{
public bool F1;
public ushort F2;
public sbyte F3;
public ushort M21()
{
var vr2 = Program.s_6;
Program.M25(vr2, 0, this);
return 1;
}
}
public class Program
{
public static S0 s_6;
public static S0[][] s_90 = new S0[][]{new S0[]{new S0()}};
public static void Main()
{
var vr6 = s_90[0][0].M21();
}
public static void M25(S0 argThis, ulong arg0, S0 arg1)
{
var vr5 = s_6.F1;
}
}Expected behavior
No assert hit.
Actual behavior
We hit the assert.
Regression?
No response
Known Workarounds
No response
Configuration
No response
Other information
cc @dotnet/jit-contrib
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arch-arm32area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMIbugos-linuxLinux OS (any supported distro)Linux OS (any supported distro)
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