1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/AST/ByteCode/Pointer.cpp b/clang/lib/AST/ByteCode/Pointer.cpp
index 8abdc54b..79b47c2 100644
--- a/clang/lib/AST/ByteCode/Pointer.cpp
+++ b/clang/lib/AST/ByteCode/Pointer.cpp
@@ -720,6 +720,10 @@ IntPointer IntPointer::atOffset(const ASTContext &ASTCtx,
 
 IntPointer IntPointer::baseCast(const ASTContext &ASTCtx,
                                 unsigned BaseOffset) const {
+  if (!Desc) {
+    assert(Value == 0);
+    return *this;
+  }
   const Record *R = Desc->ElemRecord;
   const Descriptor *BaseDesc = nullptr;