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Diffstat (limited to 'tvix/eval/src/vm.rs')
| -rw-r--r-- | tvix/eval/src/vm.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tvix/eval/src/vm.rs b/tvix/eval/src/vm.rs index aa03ffd1ea..41640a32b3 100644 --- a/tvix/eval/src/vm.rs +++ b/tvix/eval/src/vm.rs @@ -148,6 +148,15 @@ macro_rules! cmp_op { impl<'o> VM<'o> { pub fn new(nix_search_path: NixSearchPath, observer: &'o mut dyn RuntimeObserver) -> Self { + // Backtrace-on-stack-overflow is some seriously weird voodoo and + // very unsafe. This double-guard prevents it from accidentally + // being enabled on release builds. + #[cfg(debug_assertions)] + #[cfg(feature = "backtrace_overflow")] + unsafe { + backtrace_on_stack_overflow::enable(); + }; + Self { nix_search_path, observer, |