diff options
Diffstat (limited to 'test/std/numerics/numeric.ops/numeric.ops.lcm')
| -rw-r--r-- | test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.pass.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.pass.cpp b/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.pass.cpp index cd03d99ebf131..90d48398f54a7 100644 --- a/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.pass.cpp +++ b/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.pass.cpp @@ -128,4 +128,12 @@ int main() assert((do_test<long, int>(non_cce))); assert((do_test<int, long long>(non_cce))); assert((do_test<long long, int>(non_cce))); + +// LWG#2837 + { + auto res1 = std::lcm((int64_t)1234, (int32_t)-2147483648); + (void) std::lcm<int, unsigned long>(INT_MIN, 2); // this used to trigger UBSAN + static_assert( std::is_same<decltype(res1), std::common_type<int64_t, int32_t>::type>::value, ""); + assert(res1 == 1324997410816LL); + } } |