rustc_target: move in type definitions from ty::layout.

Author: irinagpopa

src/librustc/ty/context.rs

@@ -1204,7 +1204,9 @@ impl<'a, 'gcx, 'tcx> TyCtxt<'a, 'gcx, 'tcx> {
                                   f: F) -> R
                                   where F: for<'b> FnOnce(TyCtxt<'b, 'tcx, 'tcx>) -> R
     {
-        let data_layout = TargetDataLayout::parse(s);
+        let data_layout = TargetDataLayout::parse(&s.target.target).unwrap_or_else(|err| { 
+            s.fatal(&err);
+        });
         let interners = CtxtInterners::new(&arenas.interner);
         let common_types = CommonTypes::new(&interners);
         let dep_graph = hir.dep_graph.clone();