Format all the let chains in compiler

compiler/rustc_codegen_llvm/src/consts.rs

@@ -182,10 +182,17 @@ fn check_and_apply_linkage<'ll, 'tcx>(
             llvm::LLVMSetInitializer(g2, g1);
             g2
         }
-    } else if cx.tcx.sess.target.arch == "x86" &&
-        let Some(dllimport) = common::get_dllimport(cx.tcx, def_id, sym)
+    } else if cx.tcx.sess.target.arch == "x86"
+        && let Some(dllimport) = common::get_dllimport(cx.tcx, def_id, sym)
     {
-        cx.declare_global(&common::i686_decorated_name(&dllimport, common::is_mingw_gnu_toolchain(&cx.tcx.sess.target), true), llty)
+        cx.declare_global(
+            &common::i686_decorated_name(
+                &dllimport,
+                common::is_mingw_gnu_toolchain(&cx.tcx.sess.target),
+                true,
+            ),
+            llty,
+        )
     } else {
         // Generate an external declaration.
         // FIXME(nagisa): investigate whether it can be changed into define_global