From c0bd1a5af8636d0c5d3fa52fcd20d8676c25ff39 Mon Sep 17 00:00:00 2001
From: Alex Voicu <alexandru.voicu@amd.com>
Date: Mon, 12 Nov 2018 00:32:35 +0000
Subject: [PATCH] Handle (odd) corner case of argumentless __global__ function.

---
 include/hip/hcc_detail/functional_grid_launch.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/hip/hcc_detail/functional_grid_launch.hpp b/include/hip/hcc_detail/functional_grid_launch.hpp
index ba9929c0a6..5edddad6c5 100644
--- a/include/hip/hcc_detail/functional_grid_launch.hpp
+++ b/include/hip/hcc_detail/functional_grid_launch.hpp
@@ -102,6 +102,8 @@ inline std::vector<std::uint8_t> make_kernarg(
     static_assert(sizeof...(Formals) == sizeof...(Actuals),
         "The count of formal arguments must match the count of actuals.");
 
+    if (sizeof...(Formals) == 0) return {};
+
     const auto it = function_names().find(
         reinterpret_cast<std::uintptr_t>(kernel));