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annotate gcc/testsuite/g++.dg/ext/attr-nonnull.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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131
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1 // Bug c++/83871 - wrong code due to attributes on distinct template
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2 // specializations
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3 // Test to verify that an explicit function template specifialization
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4 // does not "inherit" attribute nonnull from an argument declared with
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5 // one in the primary template.
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6 // { dg-do compile }
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7 // { dg-options "-O -Wall" }
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8
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9 template <class T>
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10 void __attribute__ ((nonnull (1)))
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11 f (T*, T*, T*);
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12
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13 template <>
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14 void
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15 f<int>(int*, int*, int*); // { dg-warning "may be missing attributes" }
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16
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17 template <>
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18 void __attribute__ ((nonnull (3)))
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19 f<float>(float*, float*, float*);
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20
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21
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22 void test_nonnull (void)
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23 {
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24 f<void>(0, 0, 0); // { dg-warning "null argument where non-null required \\\(argument 1\\\)" }
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25
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26 f<int>(0, 0, 0); // { dg-bogus "null argument" }
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27
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28 f<float>(0, 0, 0);
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29 // { dg-bogus "null argument where non-null required \\\(argument 1\\\)" "" { target *-*-* } .-1 }
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30 // { dg-warning "null argument where non-null required \\\(argument 3\\\)" "" { target *-*-* } .-2 }
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31 }