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<?php trait B { function test(SplFixedArray $b){ echo "hello B"; } function testB(){ $this->test(new SplFixedArray); } } class C { use B; function test(ArrayObject $c){ echo "hello C"; } } (new C)->testB();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: C::test(): Argument #1 ($c) must be of type ArrayObject, SplFixedArray given, called in /in/H7LKX on line 6 and defined in /in/H7LKX:12 Stack trace: #0 /in/H7LKX(6): C->test(Object(SplFixedArray)) #1 /in/H7LKX(15): C->testB() #2 {main} thrown in /in/H7LKX on line 12
Process exited with code 255.

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