<div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Feb 18, 2013 at 9:22 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: Mon Feb 18 11:22:23 2013<br>
New Revision: 175450<br>
<br>
URL: <a href="http://llvm.org/viewvc/llvm-project?rev=175450&view=rev" target="_blank">http://llvm.org/viewvc/llvm-project?rev=175450&view=rev</a><br>
Log:<br>
Prevent crash on multiple user errors (which I cannot reproduce in<br>
a small test case). // rdar://13178483.<br></blockquote><div><br></div><div style>This seems like something pretty reliably reproducable - I assume you have a larger program that consistently reproduces the problem? Is there any way you could provide that (sufficiently anonymized) so someone could reproduce (& hopefully reduce) this issue?</div>
<div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
Modified:<br>
    cfe/trunk/lib/Sema/SemaExpr.cpp<br>
<br>
Modified: cfe/trunk/lib/Sema/SemaExpr.cpp<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaExpr.cpp?rev=175450&r1=175449&r2=175450&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaExpr.cpp?rev=175450&r1=175449&r2=175450&view=diff</a><br>

==============================================================================<br>
--- cfe/trunk/lib/Sema/SemaExpr.cpp (original)<br>
+++ cfe/trunk/lib/Sema/SemaExpr.cpp Mon Feb 18 11:22:23 2013<br>
@@ -1976,6 +1976,10 @@ Sema::LookupInObjCMethod(LookupResult &L<br>
                          IdentifierInfo *II, bool AllowBuiltinCreation) {<br>
   SourceLocation Loc = Lookup.getNameLoc();<br>
   ObjCMethodDecl *CurMethod = getCurMethodDecl();<br>
+<br>
+  // Check for error condition which is already reported.<br>
+  if (!CurMethod)<br>
+    return ExprError();<br>
<br>
   // There are two cases to handle here.  1) scoped lookup could have failed,<br>
   // in which case we should look for an ivar.  2) scoped lookup could have<br>
<br>
<br>
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</blockquote></div><br></div></div>