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annotate gcc/testsuite/g++.old-deja/g++.other/sizeof4.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 // { dg-do assemble }
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2
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3 // Copyright (C) 1999 Free Software Foundation, Inc.
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4 // Contributed by Nathan Sidwell 5 Sep 1999 <nathan@acm.org>
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5
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6 // C++ does not decay lvalues into rvalues until as late as possible. This
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7 // means things like the rhs of a comma operator mustn't decay. This will make
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8 // a difference if it is an array or function.
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9
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10 struct S;
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11 struct T {int m;};
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12 extern S s; // an incomplete
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13 extern S arys[20]; // an incomplete array
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14 extern T aryt[]; // an incomplete array;
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15
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16 void fn () {}
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17
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18 int main (int argc, char **argv)
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19 {
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20 sizeof (s); // { dg-error "3:invalid application of .sizeof. to incomplete type" } incomplete
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21 sizeof (0, s); // { dg-error "3:invalid application of .sizeof. to incomplete type" } incomplete
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22 sizeof (argc ? s : s); // { dg-error "3:invalid application of .sizeof. to incomplete type" } incomplete
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23
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24 sizeof (arys); // { dg-error "3:invalid application of .sizeof. to incomplete type" } incomplete
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25 sizeof (0, arys); // { dg-error "3:invalid application of .sizeof. to incomplete type" } incomplete
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26 sizeof (argc ? arys : arys); // { dg-error "3:invalid application of .sizeof. to incomplete type" } incomplete
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27
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28 sizeof (aryt); // { dg-error "3:invalid application of .sizeof. to incomplete type" } incomplete
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29 sizeof (0, aryt); // { dg-error "3:invalid application of .sizeof. to incomplete type" } incomplete
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30 sizeof (argc ? aryt : aryt); // { dg-error "3:invalid application of .sizeof. to incomplete type" } incomplete
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31
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32 sizeof (fn); // { dg-error "11:ISO C\\+\\+ forbids applying .sizeof." } cannot take size of function
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33 sizeof (0, fn); // { dg-error "3:invalid application of .sizeof. to a function type" } cannot take size of function
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34 sizeof (argc ? fn : fn); // { dg-error "3:invalid application of .sizeof. to a function type" } cannot take size of function
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35
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36 sizeof (&fn); // ok
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37 sizeof (0, &fn); // ok
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38 sizeof (argc ? &fn : &fn); // ok
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39
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40 return 0;
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41 }