diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index ed74c5d..4208421 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -4936,7 +4936,8 @@
   FD->setLazyBody(1);
 #endif
 
-  bool isC99Inline = (S.Context.GetGVALinkageForFunction(FD) == GVA_C99Inline);
+  bool isC99Inline =
+      S.Context.GetGVALinkageForFunction(FD) == GVA_AvailableExternally;
 
 #ifndef NDEBUG
   FD->setLazyBody(0);