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<?php class B { protected const c = 1; } class C1 extends B { function f(B $x) { return $x::c; } } class C2 extends B { protected const c = 2; } var_dump((new C1)->f(new C2));
Output for git.master, git.master_jit
Warning: Module "Zend OPcache" is already loaded in Unknown on line 0 Warning: Zend OPcache: module registration failed! in Unknown on line 0 Fatal error: Uncaught Error: Cannot access protected constant C2::c in /in/jXm6U:9 Stack trace: #0 /in/jXm6U(17): C1->f(Object(C2)) #1 {main} thrown in /in/jXm6U on line 9
Process exited with code 255.

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