Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/constexpr-63265.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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// PR c++/63265 // { dg-do compile { target c++11 } } #define LSHIFT (sizeof(unsigned int) * __CHAR_BIT__) template <int lshift> struct SpuriouslyWarns1 { static constexpr unsigned int v = lshift < LSHIFT ? 1U << lshift : 0; }; static_assert(SpuriouslyWarns1<LSHIFT>::v == 0, "Impossible occurred"); template <int lshift> struct SpuriouslyWarns2 { static constexpr bool okay = lshift < LSHIFT; static constexpr unsigned int v = okay ? 1U << lshift : 0; }; static_assert(SpuriouslyWarns2<LSHIFT>::v == 0, "Impossible occurred");