1 files changed, 6 insertions, 0 deletions
diff --git a/include/clang/Basic/Linkage.h b/include/clang/Basic/Linkage.h
index 696f85b18535..f4d442c084cf 100644
--- a/include/clang/Basic/Linkage.h
+++ b/include/clang/Basic/Linkage.h
@@ -82,6 +82,12 @@ inline bool isDiscardableGVALinkage(GVALinkage L) {
   return L <= GVA_DiscardableODR;
 }
 
+/// Do we know that this will be the only definition of this symbol (excluding
+/// inlining-only definitions)?
+inline bool isUniqueGVALinkage(GVALinkage L) {
+  return L == GVA_Internal || L == GVA_StrongExternal;
+}
+
 inline bool isExternallyVisible(Linkage L) {
   return L >= VisibleNoLinkage;
 }