gistfile1.txt

diff --git a/llvm/lib/LTO/LTO.cpp b/llvm/lib/LTO/LTO.cpp
index 426f7efd5b7f..d3137c573c3e 100644
--- a/llvm/lib/LTO/LTO.cpp
+++ b/llvm/lib/LTO/LTO.cpp
@@ -348,8 +348,9 @@ static void thinLTOResolvePrevailingGUID(
     // aspects into separate routines.
     if (isPrevailing(VI.getGUID(), S.get())) {
       if (GlobalValue::isLinkOnceLinkage(OriginalLinkage)) {
-        S->setLinkage(GlobalValue::getWeakLinkage(
-            GlobalValue::isLinkOnceODRLinkage(OriginalLinkage)));
+        if (VI.getSummaryList().size() > 1)
+          S->setLinkage(GlobalValue::getWeakLinkage(
+              GlobalValue::isLinkOnceODRLinkage(OriginalLinkage)));
         // The kept copy is eligible for auto-hiding (hidden visibility) if all
         // copies were (i.e. they were all linkonce_odr global unnamed addr).
         // If any copy is not (e.g. it was originally weak_odr), then the symbol