diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -1578,8 +1578,13 @@
     assert(Element->getTag() == dwarf::DW_TAG_subrange_type);
 
     const DISubrange *Subrange = cast<DISubrange>(Element);
-    assert(!Subrange->getRawLowerBound() &&
-           "codeview doesn't support subranges with lower bounds");
+    // Codeview supports Subranges with either absent lowerBound or lowerBound
+    // with constant zero value. Everyting else will be rejected.
+    auto *LI = Subrange->getLowerBound().dyn_cast<ConstantInt *>();
+    assert(
+        (!Subrange->getRawLowerBound() || (LI && (LI->getSExtValue() == 0))) &&
+        "codeview doesn't support subranges with non zero lower bounds");
+
     int64_t Count = -1;
     if (auto *CI = Subrange->getCount().dyn_cast<ConstantInt*>())
       Count = CI->getSExtValue();