Address nits and remove unneeded pass

Author: Nashenas88

src/librustc_mir/transform/inline.rs

@@ -496,7 +496,7 @@ impl Inliner<'tcx> {
                     kind: TerminatorKind::Goto { target: BasicBlock::new(bb_len) }
                 };
 
-                caller_body[callsite.bb].terminator= Some(terminator);
+                caller_body[callsite.bb].terminator = Some(terminator);
 
                 true
             }

src/librustc_mir/transform/mod.rs

@@ -297,8 +297,6 @@ fn run_optimization_passes<'tcx>(
         &uniform_array_move_out::RestoreSubsliceArrayMoveOut::new(tcx),
         &inline::Inline,
 
-        // State transform requires that predecessors have been predefined
-        &ensure_predecessors_cache::EnsurePredecessorsCache::new("pre-state-transform"),
         // Lowering generator control-flow and variables
         // has to happen before we do anything else to them.
         &generator::StateTransform,

src/librustc_mir/transform/simplify.rs

@@ -124,11 +124,9 @@ impl<'a, 'tcx> CfgSimplifier<'a, 'tcx> {
                     changed |= inner_changed;
                 }
 
-                {
-                    let data = &mut self.basic_blocks[bb];
-                    data.statements.extend(new_stmts);
-                    data.terminator = Some(terminator);
-                }
+                let data = &mut self.basic_blocks[bb];
+                data.statements.extend(new_stmts);
+                data.terminator = Some(terminator);
 
                 changed |= inner_changed;
             }