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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [testsuite/] [g++.old-deja/] [g++.other/] [cond5.C] - Rev 154
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// { dg-do assemble }
// { dg-options "-W -pedantic -ansi" }
// Copyright (C) 1999, 2000 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 1 Sep 1999 <nathan@acm.org>
// Derived from bug report from Gabriel Dos Reis
// <Gabriel.Dos-Reis@cmla.ens-cachan.fr>
// http://gcc.gnu.org/ml/gcc-bugs/1999-03n/msg00888.html
// conditional exprs have some funny rules when one of the types is void.
// [expr.cond] 5.16, make sure we do the right things
// We have checks for mismatching enumerations, check we give them -- they had
// got lost due to changes in add_builtin_candidate and subsequent changes.
struct X {};
enum E1 {e1 = -1};
enum E2 {e2 = -1};
void f(int, ...);
void fn(int i)
{
double d;
int j;
j = (i ? e1 : e2); // { dg-warning "" } mismatch
d = (i ? e1 : 1.0); // { dg-warning "" } mismatch
d = (i ? 1.0 : e2); // { dg-warning "" } mismatch
E1 e = (i ? e1 : e1); // ok
j = (i ? 1 : e2); // ok
j = (i ? e1 : 1); // ok
j = (i ? throw X() : 1); // ok, int
j = (i ? 1 : throw X()); // ok, int
(i ? throw X() : throw X()); // ok, void
(i ? i : j) = 1; // ok, int &
(i ? throw X() : j) = 1; // { dg-error "" } non lvalue
(i ? j : throw X()) = 1; // { dg-error "" } non lvalue
(i ? throw X() : throw X()) = 1; // { dg-error "" } invalid use of void
(i ? (void)1 : i++); // { dg-warning "" } not a throw
(i ? i++ : (void)1); // { dg-warning "" } not a throw
}