Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp1y/constexpr-loop8.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | |
children |
line wrap: on
line source
// PR c++/87594 // { dg-do compile { target c++14 } } constexpr bool always_false() { return false; } int f() { return 1; } constexpr int fn1() { struct empty_range { constexpr int* begin() { return 0; } constexpr int* end() { return 0; } } e; for (auto x : e) f(); return 0; } constexpr int fn2 () { int a[] = { 1, 2, 3 }; for (auto x : a) f(); // { dg-error "call to non-.constexpr. function" } return 0; } constexpr int fn3 () { __extension__ int a[] = { }; for (auto x : a) f(); return 0; } void bar () { constexpr int i1 = fn1 (); constexpr int i2 = fn2 (); // { dg-message "in .constexpr. expansion of " } constexpr int i3 = fn3 (); }