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-rw-r--r--clang/lib/Sema/SemaDeclCXX.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index fe845224e02..9ca2e87df44 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -1300,6 +1300,10 @@ static DeclAccessPair findDecomposableBaseClass(Sema &S, SourceLocation Loc,
static bool checkMemberDecomposition(Sema &S, ArrayRef<BindingDecl*> Bindings,
ValueDecl *Src, QualType DecompType,
const CXXRecordDecl *OrigRD) {
+ if (S.RequireCompleteType(Src->getLocation(), DecompType,
+ diag::err_incomplete_type))
+ return true;
+
CXXCastPath BasePath;
DeclAccessPair BasePair =
findDecomposableBaseClass(S, Src->getLocation(), OrigRD, BasePath);
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