[llvm] [llvm] Validate Parent object before dereference (PR #157460)

[Daniel Kuts via llvm-commits]

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@@ -472,10 +472,10 @@ Archive::Child::Child(const Archive *Parent, const char *Start, Error *Err)
     return;
   }
 
+  assert(Parent && "Parent can't be nullptr if Start is not a nullptr");
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apach301 wrote:

Are we assume that Parent is always non-NULL here, so that both assert and check in parameter could be removed?

https://github.com/llvm/llvm-project/pull/157460