Re: Firefox 100.0_1,2 immediate crash on signal 5

From: Frank Seltzer <>
Date: Tue, 03 May 2022 15:29:56 UTC
On Tue, 03 May 2022 15:27:33 +0200
Jan Beich <> wrote:
> Try rebuilding without LTO. rust-1.60 emits LLVM 14 bytecode that LLD
> from llvm13 may not understand. firefox cannot switch to llvm14 yet
> due to missing wasi-compiler-rt14. In the past firefox build usually
> broke due to LLVM mismatch, so quickly noticed during exp-run.

I have rust 1.60.0 and llvm13-13.0.1_2 installed.

How do I build without LTO?