[PATCH] D23721: [gold/ThinLTO] Restore ThinLTO file management in gold plugin

[Teresa Johnson via llvm-commits]

tejohnson added inline comments.

================
Comment at: tools/gold/gold-plugin.cpp:833
@@ -825,1 +832,3 @@
+      HandleToInputFile.insert(std::make_pair(
+          F.leader_handle, llvm::make_unique<PluginInputFile>(F.handle)));
     const void *View = getSymbolsAndView(F);
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mehdi_amini wrote:
> Fo you need a map here? Can't you just push back to a vector?
This is necessary for correct file locking when we have archives. See the first part of the summary for r270814. Specifically, ensure we only attempt to lock and unlock the underlying archive file once.


https://reviews.llvm.org/D23721