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Patch to prevent crash when default argument expression 

is null due to its previous bad declaration, etc.
rdar://19871240

llvm-svn: 230649
This commit is contained in:
Fariborz Jahanian 2015-02-26 17:59:54 +00:00
parent b791226136
commit 947efbc138
1 changed files with 5 additions and 2 deletions
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7
clang/lib/Sema/SemaChecking.cpp
View File

@ -6774,8 +6774,11 @@ void AnalyzeImplicitConversions(Sema &S, Expr *OrigE, SourceLocation CC) {
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)) {