Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/abi/bitfield1.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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// { dg-do run } // { dg-options "-ansi -pedantic-errors -funsigned-bitfields" } // Copyright (C) 2001 Free Software Foundation, Inc. // Contributed by Nathan Sidwell 15 Dec 2001 <nathan@codesourcery.com> typedef int Int; typedef signed int SInt; typedef unsigned int UInt; struct A { SInt bitS : 1; // signed UInt bitU : 1; // unsigned Int bit : 1; // signedness by -f{signed,unsigned}-bitfields }; int main () { A a; a.bitS = 1; // { dg-warning "overflow" } a.bitU = 1; a.bit = 1; if (a.bitS != -1) return 1; if (a.bitU != 1) return 2; if (a.bit != 1) return 3; return 0; }