Work around #1581

See #1581 (comment)

Co-authored-by: Vas Crabb <[email protected]>

Author: glebm

include/sol/function_types_stateless.hpp

@@ -320,7 +320,13 @@ namespace sol { namespace function_detail {
 		}
 
 		template <bool is_yielding, bool no_trampoline>
-		static int call(lua_State* L) noexcept(std::is_nothrow_copy_assignable_v<T>) {
+		static int call(lua_State* L)
+#if SOL_IS_ON(SOL_COMPILER_CLANG)
+		// apparent regression in clang 18 - llvm/llvm-project#91362
+#else
+			noexcept(std::is_nothrow_copy_assignable_v<T>)
+#endif
+		{
 			int nr;
 			if constexpr (no_trampoline) {
 				nr = real_call(L);
@@ -360,7 +366,13 @@ namespace sol { namespace function_detail {
 		}
 
 		template <bool is_yielding, bool no_trampoline>
-		static int call(lua_State* L) noexcept(std::is_nothrow_copy_assignable_v<T>) {
+		static int call(lua_State* L)
+#if SOL_IS_ON(SOL_COMPILER_CLANG)
+		// apparent regression in clang 18 - llvm/llvm-project#91362
+#else
+			noexcept(std::is_nothrow_copy_assignable_v<T>)
+#endif
+		{
 			int nr;
 			if constexpr (no_trampoline) {
 				nr = real_call(L);