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view gcc/testsuite/g++.dg/cpp1y/constexpr-86524.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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// PR c++/86524 // { dg-do run { target c++14 } } // { dg-options "-O2" } extern "C" void abort (); typedef __UINTPTR_TYPE__ uintptr_t; constexpr bool foo (const int *x, const int *y) { if (__builtin_constant_p (x < y)) return x < y; return (uintptr_t) x < (uintptr_t) y; } void bar () { constexpr int x = 0; static_assert (!(&x < &x)); static_assert (!foo (&x, &x)); } constexpr void baz () { constexpr int x = 0; static_assert (!(&x < &x)); static_assert (!foo (&x, &x)); } int i, j; int main () { bar (); baz (); if (!(foo (&i, &j) ^ foo (&j, &i))) abort (); }