Author: meiye
Date: 2011-12-16 18:33:39 -0500 (Fri, 16 Dec 2011)
New Revision: 3852
Modified:
trunk/osprey/be/opt/opt_proactive.cxx
Log:
Fix fo Bug 934. Avoid seg fault when retrieving kid0 for expressions having no
kid.
Modified: trunk/osprey/be/opt/opt_proactive.cxx
===================================================================
--- trunk/osprey/be/opt/opt_proactive.cxx 2011-12-14 21:11:19 UTC (rev
3851)
+++ trunk/osprey/be/opt/opt_proactive.cxx 2011-12-16 23:33:39 UTC (rev
3852)
@@ -3210,7 +3210,7 @@
if (!no_alias) {
if (!do_query && (_action == DO_IFFLIP)) {
- WN * wn_tmp = WN_kid0(expr1);
+ WN * wn_tmp = (WN_kid_count(expr1) > 0) ? WN_kid0(expr1) : NULL;
if (wn_tmp) {
BOOL result1 = FALSE;
BOOL result2 = FALSE;
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