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comparison gcc/testsuite/g++.dg/cpp2a/constinit9.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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131:84e7813d76e9 145:1830386684a0
1 // PR c++/91360 - Implement C++20 P1143R2: constinit
2 // { dg-do run { target c++2a } }
3 // A run-time test.
4
5 constexpr int foo (int x) { return x; }
6 constinit int b = foo(42);
7
8 int
9 main ()
10 {
11 if (b != 42)
12 __builtin_abort ();
13 // We can still modify 'b'.
14 b = 10;
15 if (b != 10)
16 __builtin_abort ();
17
18 constinit static int s = foo(14);
19 if (s != 14)
20 __builtin_abort ();
21 s++;
22 if (s != 15)
23 __builtin_abort ();
24 }