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comparison gcc/testsuite/g++.dg/coroutines/torture/co-ret-12-co-ret-fun-co-await.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 // { dg-do run }
2
3 // Check co_return function (co_await)
4
5 #include "../coro.h"
6
7 // boiler-plate for tests of codegen
8 #define USE_AWAIT_TRANSFORM
9 #include "../coro1-ret-int-yield-int.h"
10
11 __attribute__((__noinline__))
12 static int
13 foo (int x)
14 {
15 return x + 2;
16 }
17
18 struct coro1
19 f () noexcept
20 {
21 PRINT ("coro1: about to return");
22 co_return foo (co_await 5);
23 }
24
25 int main ()
26 {
27 PRINT ("main: create coro1");
28 struct coro1 x = f ();
29 PRINT ("main: got coro1 - resuming");
30 if (x.handle.done())
31 abort();
32
33 x.handle.resume();
34 PRINT ("main: after resume 1 (initial suspend)");
35 x.handle.resume();
36 PRINT ("main: after resume 2 (await parm)");
37
38 int y = x.handle.promise().get_value();
39 if ( y != 7 )
40 abort ();
41 if (!x.handle.done())
42 {
43 PRINT ("main: apparently not done...");
44 abort ();
45 }
46 PRINT ("main: returning");
47 return 0;
48 }