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authorRain <rain@sunshowers.io>2024-09-09 06:48:56 +0000
committerRain <rain@sunshowers.io>2024-09-09 07:00:05 +0000
commit54672ac392e3a4af640f59db01e93200b96c97d5 (patch)
treedd361c8d4a86ac6c31767e043eba5d9edd3cfe6c /compiler/rustc_llvm/llvm-wrapper/ArchiveWrapper.cpp
parent085744b7ad8b227239bcee0a44cd78dcd0310ab9 (diff)
downloadrust-54672ac392e3a4af640f59db01e93200b96c97d5.tar.gz
rust-54672ac392e3a4af640f59db01e93200b96c97d5.zip
[illumos] enable SIGSEGV handler to detect stack overflows
Use the same code as Solaris. I couldn't find any tests regarding this, but I
did test a stage0 build against my stack-exhaust-test binary [1]. Before:

```
running with use_stacker = No, new_thread = false, make_large_local = false
zsh: segmentation fault (core dumped)  cargo run
```

After:

```
running with use_stacker = No, new_thread = false, make_large_local = false

thread 'main' has overflowed its stack
fatal runtime error: stack overflow
zsh: IOT instruction (core dumped)  cargo +stage0 run
```

Fixes #128568.

[1] https://github.com/sunshowers/stack-exhaust-test/
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