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authorVincent Ambo <mail@tazj.in>2022-09-02T20·47+0300
committertazjin <tazjin@tvl.su>2022-09-08T13·36+0000
commit60ff8d046c01c7a820e56d584bf9fcabacc417b7 (patch)
treef6236e9aef54c76961986fc5fae4f2327341a32e /tvix
parentb83723a1edef90e4020b9b9af6c905d2badbedea (diff)
chore(tvix/eval): print value when panicking on internals r/4751
This makes it much easier to figure out what happened while debugging
this sort of thing.

Change-Id: I2e0e8096709adc647d63c04f213c547c415e5f44
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6418
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Diffstat (limited to 'tvix')
-rw-r--r--tvix/eval/src/vm.rs4
1 files changed, 3 insertions, 1 deletions
diff --git a/tvix/eval/src/vm.rs b/tvix/eval/src/vm.rs
index fecaae37aa5b..259fbf7d11f8 100644
--- a/tvix/eval/src/vm.rs
+++ b/tvix/eval/src/vm.rs
@@ -673,7 +673,9 @@ impl VM {
             | Value::AttrNotFound
             | Value::DynamicUpvalueMissing(_)
             | Value::Blueprint(_)
-            | Value::DeferredUpvalue(_) => panic!("tvix bug: internal value left on stack"),
+            | Value::DeferredUpvalue(_) => {
+                panic!("tvix bug: internal value left on stack: {:?}", value)
+            }
 
             _ => Ok(()),
         }