r337082 - Revert "[ThinLTO] Ensure we always select the same function copy to import"

[Teresa Johnson via cfe-commits]

Author: tejohnson
Date: Fri Jul 13 18:50:14 2018
New Revision: 337082

URL: http://llvm.org/viewvc/llvm-project?rev=337082&view=rev
Log:
Revert "[ThinLTO] Ensure we always select the same function copy to import"

This reverts commit r337051.

Modified:
    cfe/trunk/lib/CodeGen/BackendUtil.cpp

Modified: cfe/trunk/lib/CodeGen/BackendUtil.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/BackendUtil.cpp?rev=337082&r1=337081&r2=337082&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/BackendUtil.cpp (original)
+++ cfe/trunk/lib/CodeGen/BackendUtil.cpp Fri Jul 13 18:50:14 2018
@@ -1127,8 +1127,9 @@ static void runThinLTOBackend(ModuleSumm
     // e.g. record required linkage changes.
     if (Summary->modulePath() == M->getModuleIdentifier())
       continue;
-    // Add an entry to provoke importing by thinBackend.
-    ImportList[Summary->modulePath()].insert(GUID);
+    // Doesn't matter what value we plug in to the map, just needs an entry
+    // to provoke importing by thinBackend.
+    ImportList[Summary->modulePath()][GUID] = 1;
   }
 
   std::vector<std::unique_ptr<llvm::MemoryBuffer>> OwnedImports;