rust-lang / rust-lang/rustc_codegen_gcc
Stack overflow in upstream GCC when compiling huge functions
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bug
libgccjit
- Dominant language
- Rust
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Description
Stack overflow happens in verify_vssa.
Upstream issue: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86422
@FractalFir: were you able to create a reproducer in C for this bug?
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with upstream GCC bug 86422 and the verify_vssa failure described in this issue. Check whether a C reproducer exists or can be established; the work is complete when a reproducer for the stack overflow is available and reported here.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 20/100