Simplify some nested if statements

compiler/rustc_borrowck/src/lib.rs

@@ -2069,12 +2069,12 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, '_, 'tcx> {
                 // no move out from an earlier location) then this is an attempt at initialization
                 // of the union - we should error in that case.
                 let tcx = this.infcx.tcx;
-                if base.ty(this.body(), tcx).ty.is_union() {
-                    if this.move_data.path_map[mpi].iter().any(|moi| {
+                if base.ty(this.body(), tcx).ty.is_union()
+                    && this.move_data.path_map[mpi].iter().any(|moi| {
                         this.move_data.moves[*moi].source.is_predecessor_of(location, this.body)
-                    }) {
-                        return;
-                    }
+                    })
+                {
+                    return;
                 }
 
                 this.report_use_of_moved_or_uninitialized(