Various xtensa crashes

[TurkeyMan]

Checklist

• Checked the issue tracker for similar issues to ensure this is not a duplicate
• Read the documentation to confirm the issue is not addressed there and your configuration is set correctly
• Tested with the latest version to ensure the issue hasn't been fixed

How often does this bug occurs?

always

Expected behavior

LLVM doesn't crash.

Actual behavior (suspected bug)

LLVM crashes when compiling...

Error logs or terminal output

Steps to reproduce the behavior

Please look to upstream issues.

Project release version

LLVM 21.1.8

System architecture

Intel/AMD 64-bit (modern PC, older Mac)

Operating system

Linux

Operating system version

WSL

Shell

Bash

Additional context

Cross-posting issues from upstream tracker, to improve visibility.
llvm#195412
llvm#190308
llvm#190208
llvm#190204
llvm#190202

[MabezDev]

llvm#195412 has also been seen in Rust: esp-rs/rust#270