Renaming ALL_GCC macro back to just GCC (because there is no OLD anymore, luckily).

Author: rwgk

include/pybind11/attr.h

@@ -517,14 +517,14 @@ template <size_t Nurse, size_t Patient> struct process_attribute<keep_alive<Nurs
 template <typename... Args> struct process_attributes {
     static void init(const Args&... args, function_record *r) {
         PYBIND11_WORKAROUND_INCORRECT_MSVC_C4100(r);
-        PYBIND11_WORKAROUND_INCORRECT_ALL_GCC_UNUSED_BUT_SET_PARAMETER(r);
+        PYBIND11_WORKAROUND_INCORRECT_GCC_UNUSED_BUT_SET_PARAMETER(r);
         using expander = int[];
         (void) expander{
             0, ((void) process_attribute<typename std::decay<Args>::type>::init(args, r), 0)...};
     }
     static void init(const Args&... args, type_record *r) {
         PYBIND11_WORKAROUND_INCORRECT_MSVC_C4100(r);
-        PYBIND11_WORKAROUND_INCORRECT_ALL_GCC_UNUSED_BUT_SET_PARAMETER(r);
+        PYBIND11_WORKAROUND_INCORRECT_GCC_UNUSED_BUT_SET_PARAMETER(r);
         using expander = int[];
         (void) expander{0,
                         (process_attribute<typename std::decay<Args>::type>::init(args, r), 0)...};
@@ -537,7 +537,7 @@ template <typename... Args> struct process_attributes {
     }
     static void postcall(function_call &call, handle fn_ret) {
         PYBIND11_WORKAROUND_INCORRECT_MSVC_C4100(call, fn_ret);
-        PYBIND11_WORKAROUND_INCORRECT_ALL_GCC_UNUSED_BUT_SET_PARAMETER(fn_ret);
+        PYBIND11_WORKAROUND_INCORRECT_GCC_UNUSED_BUT_SET_PARAMETER(fn_ret);
         using expander = int[];
         (void) expander{
             0, (process_attribute<typename std::decay<Args>::type>::postcall(call, fn_ret), 0)...};

include/pybind11/cast.h

@@ -609,7 +609,7 @@ template <template<typename...> class Tuple, typename... Ts> class tuple_caster
     template <typename T, size_t... Is>
     static handle cast_impl(T &&src, return_value_policy policy, handle parent, index_sequence<Is...>) {
         PYBIND11_WORKAROUND_INCORRECT_MSVC_C4100(src, policy, parent);
-        PYBIND11_WORKAROUND_INCORRECT_ALL_GCC_UNUSED_BUT_SET_PARAMETER(policy, parent);
+        PYBIND11_WORKAROUND_INCORRECT_GCC_UNUSED_BUT_SET_PARAMETER(policy, parent);
         std::array<object, size> entries{{
             reinterpret_steal<object>(make_caster<Ts>::cast(std::get<Is>(std::forward<T>(src)), policy, parent))...
         }};

include/pybind11/detail/common.h

@@ -941,10 +941,10 @@ inline void silence_unused_warnings(Args &&...) {}
 
 // GCC -Wunused-but-set-parameter
 #if defined(__GNUG__) && !defined(__clang__) && !defined(__INTEL_COMPILER)
-#    define PYBIND11_WORKAROUND_INCORRECT_ALL_GCC_UNUSED_BUT_SET_PARAMETER(...)                   \
+#    define PYBIND11_WORKAROUND_INCORRECT_GCC_UNUSED_BUT_SET_PARAMETER(...)                   \
         detail::silence_unused_warnings(__VA_ARGS__)
 #else
-#    define PYBIND11_WORKAROUND_INCORRECT_ALL_GCC_UNUSED_BUT_SET_PARAMETER(...)
+#    define PYBIND11_WORKAROUND_INCORRECT_GCC_UNUSED_BUT_SET_PARAMETER(...)
 #endif
 
 #if defined(_MSC_VER) // All versions (as of July 2021).