Fix warnings

Author: GuillaumeGomez

src/consts.rs

@@ -1,14 +1,13 @@
 #[cfg(feature = "master")]
 use gccjit::{FnAttribute, VarAttribute, Visibility};
 use gccjit::{Function, GlobalKind, LValue, RValue, ToRValue, Type};
-use rustc_codegen_ssa::traits::{BaseTypeMethods, ConstMethods, DerivedTypeMethods, StaticMethods};
+use rustc_codegen_ssa::traits::{BaseTypeMethods, ConstMethods, StaticMethods};
 use rustc_hir::def::DefKind;
 use rustc_middle::bug;
 use rustc_middle::middle::codegen_fn_attrs::{CodegenFnAttrFlags, CodegenFnAttrs};
 use rustc_middle::mir::interpret::{
     self, read_target_uint, ConstAllocation, ErrorHandled, Scalar as InterpScalar,
 };
-use rustc_middle::mir::mono::MonoItem;
 use rustc_middle::span_bug;
 use rustc_middle::ty::layout::LayoutOf;
 use rustc_middle::ty::{self, Instance};

src/type_of.rs

@@ -8,7 +8,7 @@ use rustc_middle::ty::print::with_no_trimmed_paths;
 use rustc_middle::ty::{self, Ty, TypeVisitableExt};
 use rustc_target::abi::call::{CastTarget, FnAbi, Reg};
 use rustc_target::abi::{
-    self, Abi, Align, FieldsShape, Float, Int, Integer, PointeeInfo, Pointer, Size, TyAbiInterface,
+    self, Abi, FieldsShape, Float, Int, Integer, PointeeInfo, Pointer, Size, TyAbiInterface,
     Variants,
 };
 
@@ -53,12 +53,6 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> {
     }
 }
 
-impl<'a, 'tcx> CodegenCx<'a, 'tcx> {
-    pub fn align_of(&self, ty: Ty<'tcx>) -> Align {
-        self.layout_of(ty).align.abi
-    }
-}
-
 fn uncached_gcc_type<'gcc, 'tcx>(
     cx: &CodegenCx<'gcc, 'tcx>,
     layout: TyAndLayout<'tcx>,