Only disable placement-new warning under gcc >= 6

Otherwise this would create unknown option warnings under g++ < 6.
This commit is contained in:
Jason Rhinelander 2016-07-07 16:26:04 -04:00
parent cae0e00947
commit 0b12f91fa3

View File

@ -82,12 +82,12 @@ protected:
/* Store the capture object directly in the function record if there is enough space */
if (sizeof(capture) <= sizeof(rec->data)) {
#if defined(__GNUG__) && !defined(__clang__)
#if defined(__GNUG__) && !defined(__clang__) && __GNUC__ >= 6
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wplacement-new"
#endif
new ((capture *) &rec->data) capture { std::forward<Func>(f) };
#if defined(__GNUG__) && !defined(__clang__)
#if defined(__GNUG__) && !defined(__clang__) && __GNUC__ >= 6
# pragma GCC diagnostic pop
#endif
if (!std::is_trivially_destructible<Func>::value)