Index: clang/lib/CodeGen/CodeGenModule.cpp
===================================================================
--- clang/lib/CodeGen/CodeGenModule.cpp
+++ clang/lib/CodeGen/CodeGenModule.cpp
@@ -4291,14 +4291,15 @@

   MaybeHandleStaticInExternC(D, Fn);

-
-  maybeSetTrivialComdat(*D, *Fn);
+  if (!D->hasAttr<CUDAGlobalAttr>()) {
+      maybeSetTrivialComdat(*D, *Fn);
+  }

   CodeGenFunction(*this).GenerateCode(D, Fn, FI);

   setNonAliasAttributes(GD, Fn);
   SetLLVMFunctionAttributesForDefinition(D, Fn);

   if (const ConstructorAttr *CA = D->getAttr<ConstructorAttr>())
     AddGlobalCtor(Fn, CA->getPriority());
   if (const DestructorAttr *DA = D->getAttr<DestructorAttr>())