Don't clear phi->spources[] too early.

dstogov · dstogov · commit d5e0f2df4c76 · 2017-07-11T02:35:00.000+03:00
diff --git a/ext/opcache/Optimizer/zend_ssa.c b/ext/opcache/Optimizer/zend_ssa.c
@@ -1315,7 +1315,9 @@ void zend_ssa_remove_uses_of_var(zend_ssa *ssa, int var_num) /* {{{ */
 		int i, end = NUM_PHI_SOURCES(phi);
 		for (i = 0; i < end; i++) {
 			if (phi->sources[i] == var_num) {
+#if 0
 				phi->sources[i] = -1;
+#endif
 				phi->use_chains[i] = NULL;
 			}
 		}

Original file line number	Diff line number	Diff line change
`@@ -1315,7 +1315,9 @@ void zend_ssa_remove_uses_of_var(zend_ssa ssa, int var_num) / {{{ */`
`1315`	`1315`	`int i, end = NUM_PHI_SOURCES(phi);`
`1316`	`1316`	`for (i = 0; i < end; i++) {`
`1317`	`1317`	`if (phi->sources[i] == var_num) {`
	`1318`	`+#if 0`
`1318`	`1319`	`phi->sources[i] = -1;`
	`1320`	`+#endif`
`1319`	`1321`	`phi->use_chains[i] = NULL;`
`1320`	`1322`	`}`
`1321`	`1323`	`}`