42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
// { dg-do assemble }
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// Copyright (C) 1999 Free Software Foundation, Inc.
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// Contributed by Nathan Sidwell 5 Sep 1999 <nathan@acm.org>
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// C++ does not decay lvalues into rvalues until as late as possible. This
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// means things like the rhs of a comma operator mustn't decay. This will make
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// a difference if it is an array or function.
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struct S;
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struct T {int m;};
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extern S s; // an incomplete
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extern S arys[20]; // an incomplete array
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extern T aryt[]; // an incomplete array;
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void fn () {}
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int main (int argc, char **argv)
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{
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sizeof (s); // { dg-error "" } incomplete
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sizeof (0, s); // { dg-error "" } incomplete
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sizeof (argc ? s : s); // { dg-error "" } incomplete
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sizeof (arys); // { dg-error "" } incomplete
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sizeof (0, arys); // { dg-error "" } incomplete
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sizeof (argc ? arys : arys); // { dg-error "" } incomplete
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sizeof (aryt); // { dg-error "" } incomplete
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sizeof (0, aryt); // { dg-error "" } incomplete
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sizeof (argc ? aryt : aryt); // { dg-error "" } incomplete
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sizeof (fn); // { dg-error "" } cannot take size of function
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sizeof (0, fn); // { dg-error "" } cannot take size of function
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sizeof (argc ? fn : fn); // { dg-error "" } cannot take size of function
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sizeof (&fn); // ok
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sizeof (0, &fn); // ok
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sizeof (argc ? &fn : &fn); // ok
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return 0;
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}
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