remove an unused helper method

Author: RalfJung

Diff for: src/tools/miri/src/helpers.rs

@@ -332,19 +332,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> {
         base: &P,
         name: &str,
     ) -> InterpResult<'tcx, P> {
-        if let Some(field) = self.try_project_field_named(base, name)? {
-            return interp_ok(field);
-        }
-        bug!("No field named {} in type {}", name, base.layout().ty);
-    }
-
-    /// Search if `base` (which must be a struct or union type) contains the `name` field.
-    fn projectable_has_field<P: Projectable<'tcx, Provenance>>(
-        &self,
-        base: &P,
-        name: &str,
-    ) -> bool {
-        self.try_project_field_named(base, name).unwrap().is_some()
+        interp_ok(
+            self.try_project_field_named(base, name)?
+                .unwrap_or_else(|| bug!("no field named {} in type {}", name, base.layout().ty)),
+        )
     }
 
     /// Write an int of the appropriate size to `dest`. The target type may be signed or unsigned,

Diff for: src/tools/miri/src/shims/native_lib.rs

@@ -173,7 +173,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> {
                     // Wildcard pointer, whatever it points to must be already exposed.
                     continue;
                 };
-                // The first time this happens at a particular location, print a warning.
+                // The first time this happens, print a warning.
                 thread_local! {
                     static HAVE_WARNED: RefCell<bool> = const { RefCell::new(false) };
                 }