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comparison gcc/testsuite/gdc.dg/gdc283.d @ 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 // https://bugzilla.gdcproject.org/show_bug.cgi?id=283
2 // { dg-do run { target hw } }
3
4 struct Impl
5 {
6 size_t _count;
7 }
8
9 struct RefCountedStore
10 {
11 Impl* _store;
12
13 void initialize()
14 {
15 import core.stdc.stdlib : malloc;
16 _store = cast(Impl*) malloc(Impl.sizeof);
17 _store._count = 1;
18 }
19
20 bool isInitialized()
21 {
22 return _store !is null;
23 }
24
25 void ensureInitialized()
26 {
27 if (!isInitialized)
28 initialize();
29 }
30 }
31
32 struct RefCounted14443
33 {
34 RefCountedStore _refCounted;
35
36 this(int)
37 {
38 _refCounted.initialize();
39 }
40
41 this(this)
42 {
43 ++_refCounted._store._count;
44 }
45
46 ~this()
47 {
48 if (--_refCounted._store._count)
49 return;
50
51 import core.stdc.stdlib : free;
52 free(_refCounted._store);
53 _refCounted._store = null;
54 }
55
56 int refCountedPayload()
57 {
58 _refCounted.ensureInitialized();
59 return 1;
60 }
61 }
62
63 struct PathRange14443
64 {
65 RefCounted14443 path;
66
67 @property PathElement14443 front()
68 {
69 return PathElement14443(this, path.refCountedPayload());
70 }
71 }
72
73 struct PathElement14443
74 {
75 PathRange14443 range;
76
77 this(PathRange14443 range, int)
78 {
79 this.range = range;
80 }
81 }
82
83 void main()
84 {
85 auto path = RefCounted14443(12);
86 if (path._refCounted._store._count != 1)
87 assert(0);
88 {
89 auto _r = PathRange14443(path);
90 if (path._refCounted._store._count != 2)
91 assert(0);
92 {
93 auto element = _r.front;
94 if (path._refCounted._store._count != 3)
95 assert(0);
96 }
97 if (path._refCounted._store._count != 2)
98 assert(0);
99 }
100 if (path._refCounted._store._count != 1)
101 assert(0);
102 }