Author: zhuqing
Date: 2012-06-29 03:07:47 -0400 (Fri, 29 Jun 2012)
New Revision: 3953
Modified:
trunk/osprey/wgen/wgen_expr.cxx
Log:
Fix bug954. Segmentation fault in Writing WHIRL file phase.
The fix is to add a condition at WN_set_rtype, make sure the whirl node is not
null.
Author of this patch: xiao-jing zhang.
Approved by: Jian-xin
Modified: trunk/osprey/wgen/wgen_expr.cxx
===================================================================
--- trunk/osprey/wgen/wgen_expr.cxx 2012-06-27 06:46:38 UTC (rev 3952)
+++ trunk/osprey/wgen/wgen_expr.cxx 2012-06-29 07:07:47 UTC (rev 3953)
@@ -6508,8 +6508,10 @@
WN *target_wn = WGEN_Address_Of(opnd0);
WN *result_wn = WGEN_Expand_Expr (t, TRUE /* for return_in_mem*/,
0, 0, 0, 0, FALSE, FALSE,
target_wn);
- wn = result_wn;
- WN_set_rtype(wn, MTYPE_V);
+ if (result_wn != NULL) {
+ wn = result_wn;
+ WN_set_rtype(wn, MTYPE_V);
+ }
break;
}
}
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