[llvm] Fix crash due to un-checked error in LVReaderHandler::handleArchive method (PR #118951)

[Carlos Alberto Enciso via llvm-commits]

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@@ -193,6 +196,72 @@ void checkElementPropertiesMsvcCodeview(LVReader *Reader) {
   EXPECT_EQ(Lines->size(), 0x0eu);
 }
 
+// Check the logical elements basic properties (MSVC library - Codeview).
+void checkElementPropertiesMsvcLibraryCodeview(LVReader *Reader) {
+  LVScopeRoot *Root = Reader->getScopesRoot();
+  LVScopeCompileUnit *CompileUnit =
+      static_cast<LVScopeCompileUnit *>(getFirstScopeChild(Root));
+  LVScopeFunction *Function =
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CarlosAlbertoEnciso wrote:

Same check here for `CompileUnit` and `Function`.

https://github.com/llvm/llvm-project/pull/118951