Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/warn/Wdiv-by-zero-2.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++/56607 // { dg-do compile { target { { lp64 || ilp32 } || llp64 } } } // { dg-require-effective-target c++11 } // { dg-options "-O2 -Wdiv-by-zero" } constexpr int sc () { return sizeof (char); } constexpr int si () { return sizeof (int); } constexpr int zc () { return sc () - 1; } constexpr int zi (int d) { return si () / d - 1; } int f1 (void) { return 1 / zc (); // { dg-warning "division by zero" } } int f2 (void) { constexpr int x = zc (); return 1 / x; // { dg-warning "division by zero" } } int f3 (void) { return 1 / zi (3); // { dg-warning "division by zero" } } int f4 (void) { constexpr int x = zi (3); return 1 / x; // { dg-warning "division by zero" } }