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Call to zend_ssa_unlink_use_chain() shouldn't be dropped

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This commit is contained in:
Dmitry Stogov 2017-07-14 11:14:40 +03:00
parent cb7059fcf6
commit 0b64d71109
1 changed files with 1 additions and 1 deletions
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2
ext/opcache/Optimizer/dfa_pass.c
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@ -634,7 +634,7 @@ void zend_dfa_optimize_op_array(zend_op_array *op_array, zend_optimizer_ctx *ctx
// op_1: ASSIGN #orig_var.CV [undef,scalar] -> #v.CV, CONST|TMPVAR => QM_ASSIGN v.CV, CONST|TMPVAR
if (ssa->ops[op_1].op1_use != ssa->ops[op_1].op2_use) {
ZEND_ASSERT(zend_ssa_unlink_use_chain(ssa, op_1, orig_var));
zend_ssa_unlink_use_chain(ssa, op_1, orig_var);
} else {
ssa->ops[op_1].op2_use_chain = ssa->ops[op_1].op1_use_chain;
}