Fixed a bug where self-referential types would cause infinite recursion and stack overflows

Author: FractalFir

crates/rustc_codegen_nvvm/src/ty.rs

@@ -611,6 +611,12 @@ fn struct_llfields<'a, 'tcx>(
             assert_eq!(offset.align_to(padding_align) + padding, target_offset);
             result.push(cx.type_padding_filler(padding, padding_align));
         }
+        match field.ty.kind() {
+            // FIXME(FractalFir): This is a workaround for recursive types.
+            // Get rid of this as soon as we don't have to bother with typed pointers
+            rustc_middle::ty::TyKind::FnPtr(_, _) | rustc_middle::ty::TyKind::RawPtr(_, _) | rustc_middle::ty::TyKind::Ref(_,_, _) => result.push(cx.type_i8p()),
+            _ => result.push(field.llvm_type(cx)),
+        }
 
         result.push(field.llvm_type(cx));
         offset = target_offset + field.size;