llvm / llvm/circt

test/Dialect/FIRRTL/annotations.mlir fails with gcc

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C++
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Description

test/Dialect/FIRRTL/annotations.mlir appears to have non-determinism on the output order of annotations.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with test/Dialect/FIRRTL/annotations.mlir and reproduce the test under GCC, comparing repeated output to identify the annotation-order variation. Done means the test output is deterministic and the annotations appear in a stable order across runs.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
compilers, testing-qa
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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