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| author | bors <bors@rust-lang.org> | 2020-11-02 16:01:10 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2020-11-02 16:01:10 +0000 |
| commit | 338f939a8d77061896cd0a1ca87a2c6d1f4ec359 (patch) | |
| tree | c026b97b77eae76c1b6a472f305907f908f802e2 /compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp | |
| parent | 499ebcfdf3b09a646154f321b7c28f5105e4dbf7 (diff) | |
| parent | af72a70ee27faa85522f7656e042c85ab1ee275e (diff) | |
| download | rust-338f939a8d77061896cd0a1ca87a2c6d1f4ec359.tar.gz rust-338f939a8d77061896cd0a1ca87a2c6d1f4ec359.zip | |
Auto merge of #78607 - HeroicKatora:post-order-walk-iter, r=davidtwco
Transform post order walk to an iterative approach The previous recursive approach might overflow the stack when walking a particularly deep, list-like, graph. In particular, dominator calculation for borrow checking does such a traversal and very long functions might lead to a region dependency graph with in this problematic structure. This addresses what appears to be the cause of #78567 (`@SunHao-0` thanks for the stack trace).
Diffstat (limited to 'compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp')
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