diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index c1cfa975a71..27b5189d20d 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -1075,7 +1075,7 @@ bool BitcodeReader::ParseModule(const std::string &ModuleID) {
         FunctionsWithBodies.push_back(Func);
       break;
     }
-    // ALIAS: [alias type, aliasee val#, linkage]
+    // ALIAS: [alias type, aliasee val#, linkage, visibility]
     case bitc::MODULE_CODE_ALIAS: {
       if (Record.size() < 3)
         return Error("Invalid MODULE_ALIAS record");
@@ -1085,6 +1085,7 @@ bool BitcodeReader::ParseModule(const std::string &ModuleID) {
       
       GlobalAlias *NewGA = new GlobalAlias(Ty, GetDecodedLinkage(Record[2]),
                                            "", 0, TheModule);
+      NewGA->setVisibility(GetDecodedVisibility(Record[3]));
       ValueList.push_back(NewGA);
       AliasInits.push_back(std::make_pair(NewGA, Record[1]));
       break;
diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp
index 67b13e30bad..aaad22688a4 100644
--- a/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -422,6 +422,7 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE,
     Vals.push_back(VE.getTypeID(AI->getType()));
     Vals.push_back(VE.getValueID(AI->getAliasee()));
     Vals.push_back(getEncodedLinkage(AI));
+    Vals.push_back(getEncodedVisibility(AI));
     unsigned AbbrevToUse = 0;
     Stream.EmitRecord(bitc::MODULE_CODE_ALIAS, Vals, AbbrevToUse);
     Vals.clear();