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Subgroup/reduce.cpp failing on PVC/BMG with driver 25.44.36015.5 #20757

@sarnex

Description

@sarnex

Describe the bug

 FAIL: SYCL :: SubGroup/reduce.cpp (162 of 1838)
  ******************** TEST 'SYCL :: SubGroup/reduce.cpp' FAILED ********************
  Exit Code: 1
  
  Command Output (stdout):
  --
  # RUN: at line 2
  env ONEAPI_DEVICE_SELECTOR=level_zero:gpu  /__w/llvm/llvm/build-e2e/SubGroup/Output/reduce.cpp.tmp.out
  # executed command: env ONEAPI_DEVICE_SELECTOR=level_zero:gpu /__w/llvm/llvm/build-e2e/SubGroup/Output/reduce.cpp.tmp.out
  # .---command stdout------------
  # | Unexpected result for reduce_St4plusIlE: 25916604480 expected value: 560
  # `-----------------------------
  # error: command failed with exit status: 1
  
  --

https://github.com/intel/llvm/actions/runs/19657566648/job/56298365138?pr=20754

To reproduce

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Environment

  • OS: [e.g Windows/Linux]
  • Target device and vendor: [e.g. Intel GPU]
  • DPC++ version: [e.g. commit hash or output of clang++ --version]
  • Dependencies version: [e.g. the output of sycl-ls --verbose]

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