// PR c++/20280
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// PR c++/20280
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// { dg-do compile }
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// { dg-do compile }
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// Gimplification of the COND_EXPR used to fail because it had an
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// Gimplification of the COND_EXPR used to fail because it had an
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// addressable type, and create_tmp_var rejected that.
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// addressable type, and create_tmp_var rejected that.
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struct A
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struct A
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{
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{
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~A();
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~A();
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};
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};
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struct B : A {};
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struct B : A {};
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A& foo();
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A& foo();
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void bar(bool b)
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void bar(bool b)
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{
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{
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(B&) (b ? foo() : foo());
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(B&) (b ? foo() : foo());
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}
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}
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// Make sure bit-fields and addressable types don't cause crashes.
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// Make sure bit-fields and addressable types don't cause crashes.
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// These were not in the original bug report.
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// These were not in the original bug report.
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// Added by Alexandre Oliva
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// Added by Alexandre Oliva
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// Copyright 2005 Free Software Foundation
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// Copyright 2005 Free Software Foundation
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struct X
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struct X
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{
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{
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long i : 32, j, k : 32;
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long i : 32, j, k : 32;
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};
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};
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void g(long&);
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void g(long&);
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void h(const long&);
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void h(const long&);
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void f(X &x, bool b)
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void f(X &x, bool b)
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{
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{
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(b ? x.i : x.j) = 1;
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(b ? x.i : x.j) = 1;
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(b ? x.j : x.k) = 2;
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(b ? x.j : x.k) = 2;
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(b ? x.i : x.k) = 3;
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(b ? x.i : x.k) = 3;
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(void)(b ? x.i : x.j);
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(void)(b ? x.i : x.j);
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(void)(b ? x.i : x.k);
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(void)(b ? x.i : x.k);
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(void)(b ? x.j : x.k);
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(void)(b ? x.j : x.k);
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g (b ? x.i : x.j); // { dg-error "cannot bind bitfield" }
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g (b ? x.i : x.j); // { dg-error "cannot bind bitfield" }
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g (b ? x.i : x.k); // { dg-error "cannot bind bitfield" }
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g (b ? x.i : x.k); // { dg-error "cannot bind bitfield" }
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g (b ? x.j : x.k); // { dg-error "cannot bind bitfield" }
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g (b ? x.j : x.k); // { dg-error "cannot bind bitfield" }
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// It's not entirely clear whether these should be accepted. The
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// It's not entirely clear whether these should be accepted. The
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// conditional expressions are lvalues for sure, and 8.5.3/5 exempts
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// conditional expressions are lvalues for sure, and 8.5.3/5 exempts
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// lvalues for bit-fields, but it's not clear that conditional
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// lvalues for bit-fields, but it's not clear that conditional
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// expressions that are lvalues and that have at least one possible
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// expressions that are lvalues and that have at least one possible
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// result that is a bit-field lvalue meets this condition.
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// result that is a bit-field lvalue meets this condition.
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h (b ? x.i : x.j);
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h (b ? x.i : x.j);
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h (b ? x.i : x.k);
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h (b ? x.i : x.k);
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h (b ? x.j : x.k);
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h (b ? x.j : x.k);
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(long &)(b ? x.i : x.j); // { dg-error "address of bit-field" }
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(long &)(b ? x.i : x.j); // { dg-error "address of bit-field" }
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(long &)(b ? x.i : x.k); // { dg-error "address of bit-field" }
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(long &)(b ? x.i : x.k); // { dg-error "address of bit-field" }
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(long &)(b ? x.j : x.k); // { dg-error "address of bit-field" }
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(long &)(b ? x.j : x.k); // { dg-error "address of bit-field" }
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}
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}
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