Hundreds of thousands of tests failed with Assertion failed 'firstILBlock->hasProfileWeight()' in 'System.Runtime.CompilerServices.CastHelpers:StelemRef(System.Array,int,System.Object)' during 'Compute edge weights (1, false)' (IL size 86)

[VincentBu]

Run : runtime-coreclr jitstress 20210202.1

Hundreds of thousands of tests failed here.

Error message:

Assert failure(PID 1296 [0x00000510], Thread: 1296 [0x0510]): Assertion failed 'firstILBlock->hasProfileWeight()' in 'System.Runtime.CompilerServices.CastHelpers:StelemRef(System.Array,int,System.Object)' during 'Compute edge weights (1, false)' (IL size 86)

 File: /__w/1/s/src/coreclr/jit/fgprofile.cpp Line: 1362
 Image: /root/helix/work/correlation/corerun

/root/helix/work/workitem/JIT/CodeGenBringUpTests/LocallocCnstB1_PSP_ro/LocallocCnstB1_PSP_ro.sh: line 388: 1296 Aborted (core dumped) $LAUNCHER $ExePath "${CLRTestExecutionArguments[@]}"

Return code: 1
Raw output file: /root/helix/work/workitem/JIT/CodeGenBringUpTests/Reports/JIT.CodeGenBringUpTests/LocallocCnstB1_PSP_ro/LocallocCnstB1_PSP_ro.output.txt
Raw output:
BEGIN EXECUTION
/root/helix/work/correlation/corerun LocallocCnstB1_PSP_ro.dll ''
Gathering state for process 1296 corerun
Writing minidump with heap to file /home/helixbot/dotnetbuild/dumps/coredump.1296.dmp
Written 45867008 bytes (11198 pages) to core file
Dump successfully written
Expected: 100
Actual: 134
END EXECUTION - FAILED
Test Harness Exitcode is : 1
To run the test:
> set CORE_ROOT=/root/helix/work/correlation
> /root/helix/work/workitem/JIT/CodeGenBringUpTests/LocallocCnstB1_PSP_ro/LocallocCnstB1_PSP_ro.sh
Expected: True
Actual: False

[AndyAyersMS]

Guessing this is my fault.

Jit stress, I though we were friends....

[AndyAyersMS]

Need to generalize when we run the new "incorporate profile data" phase. Should have a PR up shortly.