When wrapping lazily generated builtins in an extern "C" context,
flag the LinkageSpecDecl as being implicitly generated too.
llvm-svn: 195255
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 1892809..4fe5576 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -1540,6 +1540,7 @@
LinkageSpecDecl *CLinkageDecl =
LinkageSpecDecl::Create(Context, Parent, Loc, Loc,
LinkageSpecDecl::lang_c, false);
+ CLinkageDecl->setImplicit();
Parent->addDecl(CLinkageDecl);
Parent = CLinkageDecl;
}