Work around llvm/llvm-project#91362

Author: roscopeco

3rdparty/sol2/sol/sol.hpp

@@ -19416,7 +19416,13 @@ 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);
@@ -19456,7 +19462,12 @@ 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);