diff options
| -rw-r--r-- | ext/opcache/Optimizer/block_pass.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/ext/opcache/Optimizer/block_pass.c b/ext/opcache/Optimizer/block_pass.c index ee9bda6094..e1e07ea01b 100644 --- a/ext/opcache/Optimizer/block_pass.c +++ b/ext/opcache/Optimizer/block_pass.c @@ -762,7 +762,8 @@ static void zend_optimize_block(zend_code_block *block, zend_op_array *op_array, */ if (opline->opcode == ZEND_IS_EQUAL || opline->opcode == ZEND_IS_NOT_EQUAL || - opline->opcode == ZEND_CASE) { + /* CASE variable will be deleted later by FREE, so we can't optimize it */ + (opline->opcode == ZEND_CASE && (ZEND_OP1_TYPE(opline) & (IS_CONST|IS_CV)))) { if (ZEND_OP1_TYPE(opline) == IS_CONST && (Z_TYPE(ZEND_OP1_LITERAL(opline)) == IS_FALSE || Z_TYPE(ZEND_OP1_LITERAL(opline)) == IS_TRUE)) { |