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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [testsuite/] [g++.old-deja/] [g++.other/] [sizeof4.C] - Rev 12
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// { 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;
}