commit 740d59ec499b757c4426ea33e17fdc9ee707098d
author David Majnemer <david.majnemer@gmail.com> Wed Jan 21 01:04:28 2015 +0000
committer David Majnemer <david.majnemer@gmail.com> Wed Jan 21 01:04:28 2015 +0000
tree c7bdbfce8d3e585d67f4f7748cd24da93d1ddc29
parent 34bcbeed03584aa9785df3b7c138341024c21257

CodeGen: Compiler generated __declspec(uuid) objects should be COMDAT'd

llvm-svn: 226628

clang/lib/CodeGen/CodeGenModule.cpp

diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 7845fba..6611a71 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -1274,6 +1274,8 @@
   auto *GV = new llvm::GlobalVariable(
       getModule(), Init->getType(),
       /*isConstant=*/true, llvm::GlobalValue::LinkOnceODRLinkage, Init, Name);
+  if (supportsCOMDAT())
+    GV->setComdat(TheModule.getOrInsertComdat(GV->getName()));
   return GV;
 }