Rename Unsafe to Safety

compiler/rustc_passes/src/check_attr.rs

@@ -17,7 +17,7 @@ use rustc_hir::{self as hir};
 use rustc_hir::{
     self, FnSig, ForeignItem, HirId, Item, ItemKind, TraitItem, CRATE_HIR_ID, CRATE_OWNER_ID,
 };
-use rustc_hir::{MethodKind, Target, Unsafety};
+use rustc_hir::{MethodKind, Safety, Target};
 use rustc_macros::LintDiagnostic;
 use rustc_middle::bug;
 use rustc_middle::hir::nested_filter;
@@ -2335,7 +2335,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> {
             }),
             token_stream,
             false,
-            Unsafety::Normal,
+            Safety::Safe,
             Abi::Rust,
         );
 
@@ -2362,7 +2362,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> {
                             cause.span = ty.span;
                         }
                     }
-                    TypeError::UnsafetyMismatch(_) => {
+                    TypeError::SafetyMismatch(_) => {
                         // FIXME: Would be nice if we had a span here..
                     }
                     TypeError::AbiMismatch(_) => {