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Bug 1028428 - clang+libc++ still doesn't provide a usable std::is_destructible, so just use the fallback implementation instead - no review, bustage fix

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This commit is contained in:
Benoit Jacob 2014-06-21 15:46:27 -04:00
parent 89d8927d57
commit fa3b20a3f2
1 changed files with 5 additions and 5 deletions
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10
xpcom/glue/nsISupportsImpl.h
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@ -414,11 +414,11 @@ struct HasDangerousPublicDestructor
}
#if defined(__clang__)
# if MOZ_USING_LIBCXX && __has_include(<type_traits>)
# define MOZ_HAVE_STD_IS_DESTRUCTIBLE
# else
# define MOZ_CAN_USE_IS_DESTRUCTIBLE_FALLBACK
# endif
// bug 1028428 shows that at least in FreeBSD 10.0 with Clang 3.4 and libc++ 3.4,
// std::is_destructible is buggy in that it returns false when it should return true
// on ipc::SharedMemory. On the other hand, all Clang versions currently in use
// seem to handle the fallback just fine.
# define MOZ_CAN_USE_IS_DESTRUCTIBLE_FALLBACK
#elif defined(__GNUC__)
// GCC 4.7 is has buggy std::is_destructible
# if MOZ_USING_LIBSTDCXX && MOZ_GCC_VERSION_AT_LEAST(4, 8, 0)