1// { dg-do assemble } 2 3// Copyright (C) 1999, 2000 Free Software Foundation, Inc. 4// Contributed by Nathan Sidwell 11 Apr 1999 <nathan@acm.org> 5// Derived from bug report from Gabriel Dos Reis 6// <Gabriel.Dos-Reis@cmla.ens-cachan.fr> 7// http://gcc.gnu.org/ml/gcc-bugs/1999-03n/msg00888.html 8 9// conditional exprs have some funny rules when one of the types is void. 10// [expr.cond] 5.16, make sure we do the right things 11// We implement an extension, allowing one side to be void, check we 12// pedantically moan. 13 14struct X {}; 15void fn(int i) 16{ 17 int j; 18 19 j = (i ? throw X() : 1); // ok, int 20 j = (i ? 1 : throw X()); // ok, int 21 22 (i ? throw X() : throw X()); // ok, void 23 24 (i ? i : j) = 1; // ok, int & 25 (i ? throw X() : j) = 1; // { dg-error "" } non-lvalue 26 (i ? j : throw X()) = 1; // { dg-error "" } non-lvalue 27 (i ? throw X() : throw X()) = 1; // { dg-error "" } void 28 29 (i ? (void)1 : i++); // { dg-error "" } ANSI forbids 30 (i ? i++ : (void)1); // { dg-error "" } ANSI forbids 31} 32