refactor(tvix/eval): Drop LightSpan entirely r/8343

This was made unnecessary in c92d06271 (feat(tvix/eval): drop
LightSpan::Delayed, 2023-12-08) because it didn't improve benchmarks as
much as expected and has been vestigial since; this continues the
cleanup by just removing it altogether

Change-Id: I21ec7ae9b52a5cccd2092696a5a87f658194d672
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11949
Autosubmit: aspen <root@gws.fyi>
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>

1 files changed, 2 insertions, 6 deletions

diff --git a/tvix/eval/src/compiler/mod.rs b/tvix/eval/src/compiler/mod.rs
index 60c55dda27b4..88018cce2fae 100644
--- a/tvix/eval/src/compiler/mod.rs
+++ b/tvix/eval/src/compiler/mod.rs
@@ -29,7 +29,6 @@ use crate::chunk::Chunk;
 use crate::errors::{CatchableErrorKind, Error, ErrorKind, EvalResult};
 use crate::observer::CompilerObserver;
 use crate::opcode::{CodeIdx, ConstantIdx, Count, JumpOffset, OpCode, UpvalueIdx};
-use crate::spans::LightSpan;
 use crate::spans::ToSpan;
 use crate::value::{Closure, Formals, Lambda, NixAttrs, Thunk, Value};
 use crate::warnings::{EvalWarning, WarningKind};
@@ -1257,7 +1256,7 @@ impl Compiler<'_, '_> {
         if lambda.upvalue_count == 0 {
             self.emit_constant(
                 if is_suspended_thunk {
-                    Value::Thunk(Thunk::new_suspended(lambda, LightSpan::new_actual(span)))
+                    Value::Thunk(Thunk::new_suspended(lambda, span))
                 } else {
                     Value::Closure(Rc::new(Closure::new(lambda)))
                 },
@@ -1565,10 +1564,7 @@ fn compile_src_builtin(
             });
         }
 
-        Ok(Value::Thunk(Thunk::new_suspended(
-            result.lambda,
-            LightSpan::Actual { span: file.span },
-        )))
+        Ok(Value::Thunk(Thunk::new_suspended(result.lambda, file.span)))
     })))
 }