[llvm] Improve DWARFDebugLine::LineTable::lookupAddressRangeImpl(...) to act as exptected. (PR #226625)

[Peter Rong via llvm-commits]

================
@@ -1446,6 +1453,25 @@ bool DWARFDebugLine::LineTable::lookupAddressRangeImpl(
 
     assert(FirstRowIndex != UnknownRowIndex);
     assert(LastRowIndex != UnknownRowIndex);
+    // The matching row range should end at the next row's address, unless the
+    // last row is the last row in the sequence. If we don't do this and we have
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DataCorrupted wrote:

"Last" can mean both "previous" and "final", this took me a sec to realize what it means
```suggestion
    // LastRowIndex is at the end of the sequence. If we don't do this and we have
```

https://github.com/llvm/llvm-project/pull/226625