Bug #80194 [Ver->Csd]: Assertion failure during block assembly of unreachable free with leading nop

Edit report at https://bugs.php.net/bug.php?id=80194&edit=1 ID: 80194 Updated by: nikic@php.net Reported by: sjon@php.net Summary: Assertion failure during block assembly of unreachable free with leading nop -Status: Verified +Status: Closed Type: Bug Package: opcache Operating System: archLinux PHP Version: 7.4 Assigned To: nikic Block user comment: N Private report: N New Comment: Automatic comment on behalf of nikita.ppv@gmail.com Revision: http://git.php.net/?p=php-src.git;a=commit;h=683c988493920e033f0c7f5455ebfc3825c38887 Log: Fixed bug #80194 Previous Comments: ------------------------------------------------------------------------ [2020-10-07 12:48:27] nikic@php.net This also reproduces on PHP 7.4. ------------------------------------------------------------------------ [2020-10-07 08:39:14] sjon@php.net Description: ------------ probably somewhat related to #80046 ext/opcache/Optimizer/block_pass.c:973: assemble_code_blocks: Assertion `op_array->opcodes[b->start].opcode == 70 || op_array->opcodes[b->start].opcode == 127' failed. print op_array->opcodes[b->start].opcode $1 = 0 '\000' Test script: --------------- <?php class p { public function u() { switch ($this->z) { default: throw new Exception; case 'mysql': return new Xxx($this); break; } } } ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=80194&edit=1