fix fmt

Author: StackOverflowExcept1on

compiler/rustc_codegen_llvm/src/allocator.rs

@@ -13,8 +13,7 @@ use smallvec::SmallVec;
 use crate::builder::SBuilder;
 use crate::declare::declare_simple_fn;
 use crate::llvm::{self, False, True, Type, Value};
-use crate::llvm_util;
-use crate::{SimpleCx, attributes, debuginfo};
+use crate::{SimpleCx, attributes, debuginfo, llvm_util};
 
 pub(crate) unsafe fn codegen(
     tcx: TyCtxt<'_>,