[For Comparison] What if we don't touch inlining?

Author: scottmcm

compiler/rustc_middle/src/ty/instance.rs

@@ -292,7 +292,7 @@ impl<'tcx> InstanceKind<'tcx> {
         use rustc_hir::definitions::DefPathData;
         let def_id = match *self {
             ty::InstanceKind::Item(def) => def,
-            ty::InstanceKind::DropGlue(_, Some(ty)) => return ty.is_array(),
+            ty::InstanceKind::DropGlue(_, Some(_)) => return false,
             ty::InstanceKind::AsyncDropGlueCtorShim(_, ty) => return ty.is_coroutine(),
             ty::InstanceKind::FutureDropPollShim(_, _, _) => return false,
             ty::InstanceKind::AsyncDropGlue(_, _) => return false,

tests/codegen-llvm/array-drop-glue.rs

@@ -12,19 +12,19 @@
 // fragility from that changing we don't check any particular order.
 
 // RAW: ; core::ptr::drop_glue::<[array_drop_glue::NeedsDrop; [[N:7|13|42]]]>
-// RAW-NEXT: inlinehint
+// RAW-NOT: inlinehint
 // RAW: call core::ptr::drop_glue::<[array_drop_glue::NeedsDrop]>
 // RAW-NEXT: noundef [[N]])
 // RAW: }
 
 // RAW: ; core::ptr::drop_glue::<[array_drop_glue::NeedsDrop; [[N:7|13|42]]]>
-// RAW-NEXT: inlinehint
+// RAW-NOT: inlinehint
 // RAW: call core::ptr::drop_glue::<[array_drop_glue::NeedsDrop]>
 // RAW-NEXT: noundef [[N]])
 // RAW: }
 
 // RAW: ; core::ptr::drop_glue::<[array_drop_glue::NeedsDrop; [[N:7|13|42]]]>
-// RAW-NEXT: inlinehint
+// RAW-NOT: inlinehint
 // RAW: call core::ptr::drop_glue::<[array_drop_glue::NeedsDrop]>
 // RAW-NEXT: noundef [[N]])
 // RAW: }