[llvm] [LLVM][IR] Add location tracking to LLVM IR parser (PR #155797)

[Nikita Popov via llvm-commits]

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@@ -177,6 +178,9 @@ namespace llvm {
     // Map of module ID to path.
     std::map<unsigned, StringRef> ModuleIdMap;
 
+    /// Keeps track of source locations for Values, BasicBlocks, and Functions
----------------
nikic wrote:

```suggestion
    /// Keeps track of source locations for Values, BasicBlocks, and Functions.
```

https://github.com/llvm/llvm-project/pull/155797