Move has_metadata back to context.rs

Author: MaikKlein

src/librustc/ty/mod.rs

@@ -2040,20 +2040,6 @@ impl<'tcx> TyS<'tcx> {
             }
         }
     }
-
-    pub fn has_metadata<'a>(&'tcx self, tcx: TyCtxt<'a, 'tcx, 'tcx>) -> bool {
-        use syntax_pos::DUMMY_SP;
-        if self.is_sized(tcx, ty::ParamEnv::empty(traits::Reveal::All), DUMMY_SP) {
-            return false;
-        }
-
-        let tail = tcx.struct_tail(self);
-        match tail.sty {
-            ty::TyForeign(..) => false,
-            ty::TyStr | ty::TySlice(..) | ty::TyDynamic(..) => true,
-            _ => bug!("unexpected unsized tail: {:?}", tail.sty),
-        }
-    }
 }
 
 #[derive(Copy, Clone, Debug, PartialEq, Eq)]

src/librustc_trans/context.rs

@@ -324,7 +324,17 @@ impl<'b, 'tcx> SharedCrateContext<'b, 'tcx> {
     }
 
     pub fn type_has_metadata(&self, ty: Ty<'tcx>) -> bool {
-        ty.has_metadata(self.tcx)
+        use syntax_pos::DUMMY_SP;
+        if ty.is_sized(self.tcx, ty::ParamEnv::empty(traits::Reveal::All), DUMMY_SP) {
+            return false;
+        }
+
+        let tail = self.tcx.struct_tail(ty);
+        match tail.sty {
+            ty::TyForeign(..) => false,
+            ty::TyStr | ty::TySlice(..) | ty::TyDynamic(..) => true,
+            _ => bug!("unexpected unsized tail: {:?}", tail.sty),
+        }
     }
 
     pub fn tcx(&self) -> TyCtxt<'b, 'tcx, 'tcx> {