Index: llvm/include/llvm/IR/Intrinsics.td
===================================================================
--- llvm/include/llvm/IR/Intrinsics.td
+++ llvm/include/llvm/IR/Intrinsics.td
@@ -962,7 +962,7 @@
 
 def int_region_entry : Intrinsic<[llvm_token_ty], [], []>;
 def int_region_exit : Intrinsic<[], [llvm_token_ty], []>;
-def int_region_marker : Intrinsic<[], [], []>;
+def int_region_marker : Intrinsic<[llvm_i1_ty], [], []>;
 
 //===------------------------ Coroutine Intrinsics ---------------===//
 // These are documented in docs/Coroutines.rst