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Aliased varaibles may escape

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This commit is contained in:
Dmitry Stogov
2017-08-28 16:56:47 +03:00
parent fb571f2e7e
commit ebb339625d
1 changed files with 4 additions and 1 deletions
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ext/opcache/Optimizer/escape_analysis.c
+4 -1
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@@ -356,7 +356,10 @@ int zend_ssa_escape_analysis(zend_op_array *op_array, zend_ssa *ssa) /* {{{ */
/* 2. Identify Allocations */
num_non_escaped = 0;
for (i = 0; i < ssa_vars_count; i++) {
if (ssa_vars[i].definition >= 0) {
if (ssa_vars[i].alias) {
root = ees[i];
ssa_vars[root].escape_state = ESCAPE_STATE_GLOBAL_ESCAPE;
} else if (ssa_vars[i].definition >= 0) {
root = ees[i];
if (ssa_vars[root].escape_state == ESCAPE_STATE_UNKNOWN) {
if (is_allocation_def(op_array, ssa, ssa_vars[i].definition, i)) {