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test_1
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‘test_1’: events 1-2
| 99 | void test_1 (const char *str) |
| ^~~~~~ |
| | |
| (1) entry to ‘test_1’ |
| 100 | { |
| 101 | base_obj *obj = new_string_obj (str); |
| ~~~~~~~~~~~~~~~~~~~~ |
| | |
| (2) calling ‘new_string_obj’ from ‘test_1’ |
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new_string_obj
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‘new_string_obj’: events 3-4
| 69 | base_obj *new_string_obj (const char *str) |
| ^~~~~~~~~~~~~~ |
| | |
| (3) entry to ‘new_string_obj’ |
| [...] | |
| 75 | = (string_obj *)alloc_obj (&str_type, sizeof (string_obj) + len + 1); |
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| | |
| (4) calling ‘alloc_obj’ from ‘new_string_obj’ |
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alloc_obj
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‘alloc_obj’: events 5-6
| 59 | base_obj *alloc_obj (type_obj *ob_type, size_t sz) |
| ^~~~~~~~~ |
| | |
| (5) entry to ‘alloc_obj’ |
| [...] | |
| 62 | if (!obj) |
| ~ |
| | |
| (6) following ‘true’ branch (when ‘obj’ is NULL)... |
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‘alloc_obj’: event 7
| 63 | return NULL; |
| ^~~~ |
| | |
| (7) ...to here |
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‘alloc_obj’: event 8
| 63 | return NULL; |
| ^~~~ |
| | |
| (8) ‘0’ is NULL |
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‘new_string_obj’: events 9-13
| 75 | = (string_obj *)alloc_obj (&str_type, sizeof (string_obj) + len + 1); |
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| | |
| (9) returning to ‘new_string_obj’ from ‘alloc_obj’ |
| [...] | |
| 86 | return (base_obj *)str_obj; |
| ~~~~~~~~~~~~~~~~~~~ |
| | |
| (10) ‘str_obj’ is NULL |
| (11) ‘str_obj’ is NULL |
| (12) ‘str_obj’ is NULL |
| (13) ‘str_obj’ is NULL |
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‘test_1’: events 14-15
| 101 | base_obj *obj = new_string_obj (str); |
| ^~~~~~~~~~~~~~~~~~~~ |
| | |
| (14) return of NULL to ‘test_1’ from ‘new_string_obj’ |
| 102 | unref (obj); |
| ~~~~~~~~~~~ |
| | |
| (15) calling ‘unref’ from ‘test_1’ |
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unref
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‘unref’: events 16-17
| 89 | void unref (base_obj *obj) |
| ^~~~~ |
| | |
| (16) entry to ‘unref’ |
| 90 | { |
| 91 | if (--obj->ob_refcnt == 0) /* { dg-bogus "dereference of uninitialized pointer 'obj'" } */ |
| ~~~~~~~~~~~~~~ |
| | |
| (17) dereference of NULL ‘obj’ |
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