llvm-project

bfb0a518 - [llvm-jitlink] Use -num-threads=0 for regression tests relying on debug output.

[llvm-jitlink] Use -num-threads=0 for regression tests relying on debug output. ORC and JITLink debugging output write the dbgs() raw_ostream, which isn't thread-safe. Use -num-threads=0 to force single-threaded linking for tests that produce debugging output. The llvm-jitlink tool is updated to suggest -num-threads=0 when debugging output is enabled.