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Result of ASSIGN may be different from the assigned value when LHS is a typed reference

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This commit is contained in:
Dmitry Stogov
2020-03-18 01:40:41 +03:00
parent a8e8c40ad4
commit f767807986
1 changed files with 4 additions and 1 deletions
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ext/opcache/jit/zend_jit_trace.c
+4 -1
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@@ -2711,7 +2711,10 @@ done:
type = STACK_VAR_TYPE(opline->op1.var);
}
} else if (opline->opcode == ZEND_ASSIGN) {
if (opline->op2_type != IS_CONST) {
if (opline->op2_type != IS_CONST
&& ssa_op->op1_use >= 0
/* assignment to typed reference may cause conversion */
&& (ssa->var_info[ssa_op->op1_use].type & MAY_BE_REF) == 0) {
/* copy */
type = STACK_VAR_TYPE(opline->op2.var);
}