Assert that the path from the derived to the base class in CodeGenFunction::GetAddressOfBaseClass is not ambiguous.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101869 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGClass.cpp b/lib/CodeGen/CGClass.cpp
index 42b0591..5e7cc4b 100644
--- a/lib/CodeGen/CGClass.cpp
+++ b/lib/CodeGen/CGClass.cpp
@@ -120,14 +120,21 @@
return Builder.CreateBitCast(Value, BasePtrTy);
}
+#ifndef NDEBUG
+ CXXBasePaths Paths(/*FindAmbiguities=*/true,
+ /*RecordPaths=*/true, /*DetectVirtual=*/false);
+#else
CXXBasePaths Paths(/*FindAmbiguities=*/false,
/*RecordPaths=*/true, /*DetectVirtual=*/false);
+#endif
if (!const_cast<CXXRecordDecl *>(Class)->
isDerivedFrom(const_cast<CXXRecordDecl *>(BaseClass), Paths)) {
assert(false && "Class must be derived from the passed in base class!");
return 0;
}
+ assert(!Paths.isAmbiguous(BTy) && "Path is ambiguous");
+
unsigned Start = 0;
llvm::Value *VirtualOffset = 0;