From 883f40b7592cac3f9509a40cf144cdc559f13be0 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Thu, 19 Sep 2019 17:17:36 +0000
Subject: Vendor import of clang 9.0.0 release r372316:
 https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_900/final@372316

---
 lib/CodeGen/CodeGenModule.cpp | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'lib/CodeGen')

diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 6ff72ec045e62..1fd4e4cf8b8fe 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -4355,17 +4355,22 @@ void CodeGenModule::EmitAliasDefinition(GlobalDecl GD) {
   // Create a reference to the named value.  This ensures that it is emitted
   // if a deferred decl.
   llvm::Constant *Aliasee;
-  if (isa<llvm::FunctionType>(DeclTy))
+  llvm::GlobalValue::LinkageTypes LT;
+  if (isa<llvm::FunctionType>(DeclTy)) {
     Aliasee = GetOrCreateLLVMFunction(AA->getAliasee(), DeclTy, GD,
                                       /*ForVTable=*/false);
-  else
+    LT = getFunctionLinkage(GD);
+  } else {
     Aliasee = GetOrCreateLLVMGlobal(AA->getAliasee(),
                                     llvm::PointerType::getUnqual(DeclTy),
                                     /*D=*/nullptr);
+    LT = getLLVMLinkageVarDefinition(cast<VarDecl>(GD.getDecl()),
+                                     D->getType().isConstQualified());
+  }
 
   // Create the new alias itself, but don't set a name yet.
-  auto *GA = llvm::GlobalAlias::create(
-      DeclTy, 0, llvm::Function::ExternalLinkage, "", Aliasee, &getModule());
+  auto *GA =
+      llvm::GlobalAlias::create(DeclTy, 0, LT, "", Aliasee, &getModule());
 
   if (Entry) {
     if (GA->getAliasee() == Entry) {
-- 
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