[cfe-commits] r65812 - /cfe/trunk/lib/CodeGen/CGBlocks.cpp

[Daniel Dunbar]

Author: ddunbar
Date: Mon Mar  2 01:00:57 2009
New Revision: 65812

URL: http://llvm.org/viewvc/llvm-project?rev=65812&view=rev
Log:
Avoid crash when child iterator gives null result.

Modified:
    cfe/trunk/lib/CodeGen/CGBlocks.cpp

Modified: cfe/trunk/lib/CodeGen/CGBlocks.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBlocks.cpp?rev=65812&r1=65811&r2=65812&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CGBlocks.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBlocks.cpp Mon Mar  2 01:00:57 2009
@@ -111,7 +111,8 @@
                                     CodeGenFunction::BlockInfo &Info) {
   for (Stmt::const_child_iterator I = S->child_begin(), E = S->child_end();
        I != E; ++I)
-    CollectBlockDeclRefInfo(*I, Info);
+    if (*I)
+      CollectBlockDeclRefInfo(*I, Info);
   
   if (const BlockDeclRefExpr *DE = dyn_cast<BlockDeclRefExpr>(S)) {
     // FIXME: Handle enums.