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comparison 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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111:04ced10e8804 131:84e7813d76e9
1 // Bug c++/83871 - wrong code due to attributes on distinct template
2 // specializations
3 // Test to verify that an explicit function template specifialization
4 // does not "inherit" attribute nonnull from an argument declared with
5 // one in the primary template.
6 // { dg-do compile }
7 // { dg-options "-O -Wall" }
8
9 template <class T>
10 void __attribute__ ((nonnull (1)))
11 f (T*, T*, T*);
12
13 template <>
14 void
15 f<int>(int*, int*, int*); // { dg-warning "may be missing attributes" }
16
17 template <>
18 void __attribute__ ((nonnull (3)))
19 f<float>(float*, float*, float*);
20
21
22 void test_nonnull (void)
23 {
24 f<void>(0, 0, 0); // { dg-warning "null argument where non-null required \\\(argument 1\\\)" }
25
26 f<int>(0, 0, 0); // { dg-bogus "null argument" }
27
28 f<float>(0, 0, 0);
29 // { dg-bogus "null argument where non-null required \\\(argument 1\\\)" "" { target *-*-* } .-1 }
30 // { dg-warning "null argument where non-null required \\\(argument 3\\\)" "" { target *-*-* } .-2 }
31 }