Extract throw to separate function so performUnitOfWork does not deopt (

#12521)

Only affects DEV mode, but still important I think.

packages/react-reconciler/src/ReactFiberScheduler.js

@@ -265,6 +265,7 @@ export default function<T, P, I, TI, HI, PI, C, CC, CX, PL>(
  let replayUnitOfWork;
  let isReplayingFailedUnitOfWork;
  let originalReplayError;
+ let rethrowOriginalError;
  if (__DEV__ && replayFailedUnitOfWorkWithInvokeGuardedCallback) {
  stashedWorkInProgressProperties = null;
  isReplayingFailedUnitOfWork = false;
@@ -311,6 +312,9 @@ export default function<T, P, I, TI, HI, PI, C, CC, CX, PL>(
  nextUnitOfWork = failedUnitOfWork;
  }
  };
+ rethrowOriginalError = () => {
+ throw originalReplayError;
+ };
  }
 
  function resetStack() {
@@ -875,7 +879,7 @@ export default function<T, P, I, TI, HI, PI, C, CC, CX, PL>(
  // because the render phase is meant to be idempotent, and it should
  // have thrown again. Since it didn't, rethrow the original error, so
  // React's internal stack is not misaligned.
- throw originalReplayError;
+ rethrowOriginalError();
  }
  }
  if (__DEV__ && ReactFiberInstrumentation.debugTool) {