Refactor & fixup interpreter implementation of tail calls

2024-03-15 15:08:20 +00:00
parent 30b18d7c36
commit cda25e56c8
4 changed files with 162 additions and 70 deletions
--- a/compiler/rustc_const_eval/src/interpret/machine.rs
+++ b/compiler/rustc_const_eval/src/interpret/machine.rs
@@ -36,6 +36,9 @@ pub enum StackPopJump {
    /// Indicates that we should *not* jump to the return/unwind address, as the callback already
    /// took care of everything.
    NoJump,
+
+    /// Returned by [`InterpCx::pop_stack_frame`] when no cleanup should be done.
+    NoCleanup,
 }

 /// Whether this kind of memory is allowed to leak