Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.old-deja/g++.other/sizeof4.C @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 1830386684a0 |
line wrap: on
line source
// { dg-do assemble } // Copyright (C) 1999 Free Software Foundation, Inc. // Contributed by Nathan Sidwell 5 Sep 1999 <nathan@acm.org> // C++ does not decay lvalues into rvalues until as late as possible. This // means things like the rhs of a comma operator mustn't decay. This will make // a difference if it is an array or function. struct S; struct T {int m;}; extern S s; // an incomplete extern S arys[20]; // an incomplete array extern T aryt[]; // an incomplete array; void fn () {} int main (int argc, char **argv) { sizeof (s); // { dg-error "" } incomplete sizeof (0, s); // { dg-error "" } incomplete sizeof (argc ? s : s); // { dg-error "" } incomplete sizeof (arys); // { dg-error "" } incomplete sizeof (0, arys); // { dg-error "" } incomplete sizeof (argc ? arys : arys); // { dg-error "" } incomplete sizeof (aryt); // { dg-error "" } incomplete sizeof (0, aryt); // { dg-error "" } incomplete sizeof (argc ? aryt : aryt); // { dg-error "" } incomplete sizeof (fn); // { dg-error "" } cannot take size of function sizeof (0, fn); // { dg-error "" } cannot take size of function sizeof (argc ? fn : fn); // { dg-error "" } cannot take size of function sizeof (&fn); // ok sizeof (0, &fn); // ok sizeof (argc ? &fn : &fn); // ok return 0; }