1 files changed, 6 insertions, 0 deletions
diff --git a/clang/include/clang/Basic/Builtins.td b/clang/include/clang/Basic/Builtins.td
index f421223ff087..64f805ec2e4c 100644
--- a/clang/include/clang/Basic/Builtins.td
+++ b/clang/include/clang/Basic/Builtins.td
@@ -1164,6 +1164,12 @@ def Unreachable : Builtin {
   let Prototype = "void()";
 }
 
+def AllowRuntimeCheck : Builtin {
+  let Spellings = ["__builtin_allow_runtime_check"];
+  let Attributes = [NoThrow, Pure, Const];
+  let Prototype = "bool(char const*)";
+}
+
 def ShuffleVector : Builtin {
   let Spellings = ["__builtin_shufflevector"];
   let Attributes = [NoThrow, Const, CustomTypeChecking];