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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/g++.dg/init/pr25811-3.C | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/init/pr25811-3.C')
-rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/init/pr25811-3.C | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/init/pr25811-3.C b/gcc-4.9/gcc/testsuite/g++.dg/init/pr25811-3.C new file mode 100644 index 0000000..631da5b --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/init/pr25811-3.C @@ -0,0 +1,38 @@ +// { dg-do compile } + +struct A { int const i; }; +struct B { int& i; }; +struct C { int i; }; + +template< class T > +class is_constructible_via_new_without_initializer +{ + template<int> class size {}; + + typedef char yes_type; + struct no_type { char data[2]; }; + + template <class U> + static yes_type sfinae (size< sizeof (new U) >*); + + template <class U> + static no_type sfinae (...); + +public: + static const bool value = sizeof (sfinae<T>(0)) == sizeof (yes_type); +}; + +#define JOIN( X, Y ) DO_JOIN( X, Y ) +#define DO_JOIN( X, Y ) DO_JOIN2(X,Y) +#define DO_JOIN2( X, Y ) X##Y + +#ifdef __GXX_EXPERIMENTAL_CXX0X__ +# define STATIC_ASSERT(Expr) static_assert(Expr, #Expr) +#else +# define STATIC_ASSERT(Expr) int JOIN(a,__LINE__)[Expr? 1 : -1] +#endif + +STATIC_ASSERT (!is_constructible_via_new_without_initializer<A>::value); +STATIC_ASSERT (!is_constructible_via_new_without_initializer<B>::value); +STATIC_ASSERT (is_constructible_via_new_without_initializer<C>::value); + |