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comparison gcc/testsuite/g++.dg/coroutines/torture/lambda-08-co-ret-parm-ref.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 // Test that we can use a function param in a co_xxxx status.
4
5 #include "../coro.h"
6
7 // boiler-plate for tests of codegen
8 #include "../coro1-ret-int-yield-int.h"
9
10 int main ()
11 {
12 int val;
13
14 auto f = [&] (int x) -> coro1
15 {
16 if (val + x > 25)
17 {
18 PRINT ("coro1: about to return k");
19 co_return 6174;
20 }
21 else if (val + x > 20)
22 {
23 PRINTF ("coro1: about to co-return %d\n", val + x);
24 co_return val + x;
25 }
26 else if (val + x > 5)
27 {
28 PRINTF ("coro1: about to co-return %d\n", val);
29 co_return val;
30 }
31 else
32 {
33 PRINT ("coro1: about to return 0");
34 co_return 0;
35 }
36 };
37
38 PRINT ("main: create coro1");
39
40 val = 20; // We should get this by ref.
41 int arg = 5; // and this as a regular parm.
42
43 coro1 x = f (arg);
44 PRINT ("main: got coro1 - resuming");
45 if (x.handle.done())
46 abort();
47 x.handle.resume();
48 PRINT ("main: after resume");
49 int y = x.handle.promise().get_value();
50 if ( y != 25 )
51 abort ();
52 if (!x.handle.done())
53 {
54 PRINT ("main: apparently not done...");
55 abort ();
56 }
57 PRINT ("main: returning");
58 return 0;
59 }