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Commit | Line | Data |
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6c137ca0 TV |
1 | /* { dg-do compile } */ |
2 | /* { dg-options "-O2" } */ | |
3 | ||
4 | typedef union tree_node *tree; | |
5 | ||
6 | struct tree_base | |
7 | { | |
8 | int code; | |
9 | }; | |
10 | ||
11 | struct tree_typed | |
12 | { | |
13 | struct tree_base base; | |
14 | tree type; | |
15 | }; | |
16 | ||
17 | struct tree_common | |
18 | { | |
19 | struct tree_typed typed; | |
20 | }; | |
21 | ||
22 | struct tree_type_common | |
23 | { | |
24 | tree main_variant; | |
25 | }; | |
26 | ||
27 | union tree_node | |
28 | { | |
29 | struct tree_base base; | |
30 | struct tree_typed typed; | |
31 | struct tree_type_common type_common; | |
32 | }; | |
33 | ||
34 | int std_canonical_va_list_type (tree type) | |
35 | { | |
36 | if (type->base.code) | |
37 | type = type->typed.type; | |
38 | else | |
39 | if (type->typed.type->base.code) | |
40 | type = type->typed.type; | |
41 | ||
42 | if (type->type_common.main_variant) | |
43 | return 1; | |
44 | ||
45 | return 0; | |
46 | } |