dexonsmith added a comment.

In D111560#3055578 <https://reviews.llvm.org/D111560#3055578>, @jansvoboda11 
wrote:

> Note: Another approach to fixing this might be to cache the module load 
> results while loading the PCH too.

Can you share why you chose this approach instead, and which do you think makes 
sense long term?



================
Comment at: clang/lib/Tooling/DependencyScanning/DependencyScanningTool.cpp:41
   for (const PrebuiltModuleDep &PMD : PrebuiltModuleDeps) {
-    Args.push_back("-fmodule-file=" + PMD.ModuleName + "=" + PMD.PCMFile);
+    Args.push_back("-fmodule-file=" + PMD.PCMFile);
     Args.push_back("-fmodule-map-file=" + PMD.ModuleMapFile);
----------------
Why drop the `<name>=` argument? Isn't it better to keep that information, 
rather than forcing the reader to crack open the file to know what's inside?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111560/new/

https://reviews.llvm.org/D111560

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