<div dir="ltr">Test case?</div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Feb 26, 2015 at 9:59 AM, Fariborz Jahanian <span dir="ltr"><<a href="mailto:fjahanian@apple.com" target="_blank">fjahanian@apple.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Author: fjahanian<br>
Date: Thu Feb 26 11:59:54 2015<br>
New Revision: 230649<br>
<br>
URL: <a href="http://llvm.org/viewvc/llvm-project?rev=230649&view=rev" target="_blank">http://llvm.org/viewvc/llvm-project?rev=230649&view=rev</a><br>
Log:<br>
Patch to prevent crash when default argument expression<br>
is null due to its previous bad declaration, etc.<br>
rdar://19871240<br>
<br>
Modified:<br>
    cfe/trunk/lib/Sema/SemaChecking.cpp<br>
<br>
Modified: cfe/trunk/lib/Sema/SemaChecking.cpp<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaChecking.cpp?rev=230649&r1=230648&r2=230649&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaChecking.cpp?rev=230649&r1=230648&r2=230649&view=diff</a><br>
==============================================================================<br>
--- cfe/trunk/lib/Sema/SemaChecking.cpp (original)<br>
+++ cfe/trunk/lib/Sema/SemaChecking.cpp Thu Feb 26 11:59:54 2015<br>
@@ -6774,8 +6774,11 @@ void AnalyzeImplicitConversions(Sema &S,<br>
       E = POE->getResultExpr();<br>
   }<br>
<br>
-  if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E))<br>
-    return AnalyzeImplicitConversions(S, OVE->getSourceExpr(), CC);<br>
+  if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E)) {<br>
+    if (OVE->getSourceExpr())<br>
+      AnalyzeImplicitConversions(S, OVE->getSourceExpr(), CC);<br>
+    return;<br>
+  }<br>
<br>
   // Skip past explicit casts.<br>
   if (isa<ExplicitCastExpr>(E)) {<br>
<br>
<br>
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</blockquote></div><br></div>