Rollup merge of #26146 - steveklabnik:remove_unsafe_pointer, r=Gankro

Using two terms for one thing is confusing, these are called 'raw pointers' today.

src/librustc/middle/effect.rs

@@ -162,7 +162,7 @@ impl<'a, 'tcx, 'v> Visitor<'v> for EffectCheckVisitor<'a, 'tcx> {
                 debug!("effect: unary case, base type is {}",
                        ppaux::ty_to_string(self.tcx, base_type));
                 if let ty::ty_ptr(_) = base_type.sty {
-                    self.require_unsafe(expr.span, "dereference of unsafe pointer")
+                    self.require_unsafe(expr.span, "dereference of raw pointer")
                 }
             }
             ast::ExprAssign(ref base, _) | ast::ExprAssignOp(_, ref base, _) => {

src/librustc/middle/mem_categorization.rs

@@ -1546,7 +1546,7 @@ impl<'tcx> cmt_<'tcx> {
                                 format!("`Box` content")
                             }
                             UnsafePtr(..) => {
-                                format!("dereference of unsafe pointer")
+                                format!("dereference of raw pointer")
                             }
                             BorrowedPtr(..) => {
                                 format!("borrowed content")

src/librustc/middle/ty.rs

@@ -3646,7 +3646,7 @@ impl TypeContents {
             *self & TC::ReachesAll)
     }
 
-    /// Includes only those bits that still apply when indirected through an unsafe pointer (`*`)
+    /// Includes only those bits that still apply when indirected through a raw pointer (`*`)
     pub fn unsafe_pointer(&self) -> TypeContents {
         *self & TC::ReachesAll
     }