Remove duplicated check added on conflicting merge

jozkee · jozkee · commit 1f78b0847554 · 2024-04-19T14:53:46.000-05:00
diff --git a/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs b/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs
@@ -4743,11 +4743,6 @@ public static void WaitAll(/*params*/ ReadOnlySpan<Task> tasks)
         [MethodImpl(MethodImplOptions.NoOptimization)]  // this is needed for the parallel debugger
         public static bool WaitAll(Task[] tasks, TimeSpan timeout)
         {
-            if (tasks is null)
-            {
-                ThrowHelper.ThrowArgumentNullException(ExceptionArgument.tasks);
-            }
-
             long totalMilliseconds = (long)timeout.TotalMilliseconds;
             if (totalMilliseconds is < -1 or > int.MaxValue)
             {

Original file line number	Diff line number	Diff line change
`@@ -4743,11 +4743,6 @@ public static void WaitAll(/params/ ReadOnlySpan<Task> tasks)`
`4743`	`4743`	`[MethodImpl(MethodImplOptions.NoOptimization)] // this is needed for the parallel debugger`
`4744`	`4744`	`public static bool WaitAll(Task[] tasks, TimeSpan timeout)`
`4745`	`4745`	`{`
`4746`		`- if (tasks is null)`
`4747`		`- {`
`4748`		`- ThrowHelper.ThrowArgumentNullException(ExceptionArgument.tasks);`
`4749`		`- }`
`4750`		`-`
`4751`	`4746`	`long totalMilliseconds = (long)timeout.TotalMilliseconds;`
`4752`	`4747`	`if (totalMilliseconds is < -1 or > int.MaxValue)`
`4753`	`4748`	`{`