[clang] [llvm] [clang][Modules][serialization] Deduplicate source location entries across loaded modules (PR #209795)

[Ayokunle Amodu via llvm-commits]

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@@ -4229,30 +4335,121 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F,
       F.LocalNumSLocEntries = Record[0];
       SourceLocation::UIntTy SLocSpaceSize = Record[1];
       F.SLocEntryOffsetsBase = Record[2] + F.SourceManagerBlockStartOffset;
+      unsigned N = F.LocalNumSLocEntries;
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ayokunle321 wrote:

Done.

https://github.com/llvm/llvm-project/pull/209795