Auto merge of #1553 - RalfJung:rustup, r=RalfJung

rustup

Cc `@oli-obk`

rust-version

@@ -1 +1 @@
-a3bc0e752fad96f537b73f4e9bc805a73d404f7b
+5e449b9adff463455743291b0c1f76feec092992

src/helpers.rs

@@ -59,7 +59,7 @@ fn eval_path_scalar(
         let this = self.eval_context_mut();
         let instance = this.resolve_path(path);
         let cid = GlobalId { instance, promoted: None };
-        let const_val = this.const_eval_raw(cid)?;
+        let const_val = this.eval_to_allocation(cid)?;
         let const_val = this.read_scalar(const_val.into())?;
         return Ok(const_val);
     }