Rollup of 7 pull requests

[tgross35]

Successful merges:

• Enable reliable_f16_math on x86 #138344 (Enable reliable_f16_math on x86)
• implement or-patterns for pattern types #139909 (implement or-patterns for pattern types)
• compiletest: Remove the libtest-based executor and its dependency #140392 (compiletest: Remove the libtest-based executor and its dependency)
• PassWrapper: adapt for llvm/llvm-project@d3d856ad8469 #140400 (PassWrapper: adapt for llvm/llvm-project@d3d856ad8469)
• unwind: bump unwinding dependency to 0.2.6 #140422 (unwind: bump unwinding dependency to 0.2.6)
• Update documentation for fn target_config #140432 (Update documentation for fn target_config)
• Replace the \01__gnu_mcount_nc to LLVM intrinsic for additional ARM targets #140433 (Replace the \01__gnu_mcount_nc to LLVM intrinsic for additional ARM targets)

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