Only compute vtable information during codegen

compiler-errors · compiler-errors · commit 5ccfa787fd26 · 2024-06-14T20:35:45.000-04:00
diff --git a/src/unsize.rs b/src/unsize.rs
@@ -39,8 +39,7 @@ pub(crate) fn unsized_info<'tcx>(
             }
 
             // trait upcasting coercion
-            let vptr_entry_idx =
-                fx.tcx.vtable_trait_upcasting_coercion_new_vptr_slot((source, target));
+            let vptr_entry_idx = fx.tcx.supertrait_vtable_slot((source, target));
 
             if let Some(entry_idx) = vptr_entry_idx {
                 let entry_idx = u32::try_from(entry_idx).unwrap();

Original file line number	Diff line number	Diff line change
`@@ -39,8 +39,7 @@ pub(crate) fn unsized_info<'tcx>(`
`39`	`39`	`}`
`40`	`40`
`41`	`41`	`// trait upcasting coercion`
`42`		`- let vptr_entry_idx =`
`43`		`- fx.tcx.vtable_trait_upcasting_coercion_new_vptr_slot((source, target));`
	`42`	`+ let vptr_entry_idx = fx.tcx.supertrait_vtable_slot((source, target));`
`44`	`43`
`45`	`44`	`if let Some(entry_idx) = vptr_entry_idx {`
`46`	`45`	`let entry_idx = u32::try_from(entry_idx).unwrap();`