[all-commits] [llvm/llvm-project] ee95fe: [compiler-rt] Disable coverage trace pc guard test...

[David Spickett via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ee95fe5caa3c32a1a9de6c487bbbc78af837af61
      https://github.com/llvm/llvm-project/commit/ee95fe5caa3c32a1a9de6c487bbbc78af837af61
  Author: David Spickett <david.spickett at linaro.org>
  Date:   2022-02-28 (Mon, 28 Feb 2022)

  Changed paths:
    M compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard-dso.cpp
    M compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard.cpp

  Log Message:
  -----------
  [compiler-rt] Disable coverage trace pc guard tests on Thumb

These are failing on our silent bot:
https://lab.llvm.org/staging/#/builders/162/builds/358

$ <run cmd>
main
foo
bar
baz
SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard-dso.cpp.tmp.2122517.sancov: 2 PCs written
SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard-dso.cpp.tmp_2.so.2122517.sancov: 1 PCs written
SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard-dso.cpp.tmp_1.so.2122517.sancov: 1 PCs written
$ <sancov cmd>
ERROR: Coverage points in binary and .sancov file do not match.

Also reproduces if you build for Thumb on v8 hardware.

Doesn't fail when built with Arm only code so I guess the Thumb mode bit
in the PCs might be the issue.