[clang] [Safe Buffers] Serialize unsafe_buffer_usage pragmas (PR #92031)

[Chuanqi Xu via cfe-commits]

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@@ -2439,6 +2440,12 @@ void ASTWriter::WritePreprocessor(const Preprocessor &PP, bool IsModule) {
     Record.clear();
   }
 
+  // Write the safe buffer opt-out region map in PP
+  for (SourceLocation &S : PP.serializeSafeBufferOptOutMap())
+    AddSourceLocation(std::move(S), Record);
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ChuanqiXu9 wrote:

Generally we won't move source location.

https://github.com/llvm/llvm-project/pull/92031