Author: fjahanian
Date: Thu Feb 26 11:59:54 2015
New Revision: 230649
URL: http://llvm.org/viewvc/llvm-project?rev=230649&view=rev
Log:
Patch to prevent crash when default argument expression
is null due to its previous bad declaration, etc.
rdar://19871240
Modified:
cfe/trunk/lib/Sema/SemaChecking.cpp
Modified: cfe/trunk/lib/Sema/SemaChecking.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaChecking.cpp?rev=230649&r1=230648&r2=230649&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaChecking.cpp (original)
+++ cfe/trunk/lib/Sema/SemaChecking.cpp Thu Feb 26 11:59:54 2015
@@ -6774,8 +6774,11 @@ void AnalyzeImplicitConversions(Sema &S,
E = POE->getResultExpr();
}
- if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E))
- return AnalyzeImplicitConversions(S, OVE->getSourceExpr(), CC);
+ if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E)) {
+ if (OVE->getSourceExpr())
+ AnalyzeImplicitConversions(S, OVE->getSourceExpr(), CC);
+ return;
+ }
// Skip past explicit casts.
if (isa<ExplicitCastExpr>(E)) {
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