| 1 | // RUN: %clang_cc1 -verify -Warray-bounds-pointer-arithmetic %s |
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| 2 | |
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| 3 | // Test case from PR10615 |
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| 4 | struct ext2_super_block{ |
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| 5 | unsigned char s_uuid[8]; // expected-note {{declared here}} |
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| 6 | }; |
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| 7 | void* ext2_statfs (struct ext2_super_block *es,int a) |
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| 8 | { |
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| 9 | return (void *)es->s_uuid + sizeof(int); // no-warning |
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| 10 | } |
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| 11 | void* broken (struct ext2_super_block *es,int a) |
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| 12 | { |
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| 13 | return (void *)es->s_uuid + 80; // expected-warning {{refers past the end of the array}} |
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| 14 | } |
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| 15 | |
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| 16 | // Test case reduced from PR11594 |
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| 17 | struct S { int n; }; |
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| 18 | void pr11594(struct S *s) { |
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| 19 | int a[10]; |
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| 20 | int *p = a - s->n; |
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| 21 | } |
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| 22 | |
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| 23 | // Test case reduced from <rdar://problem/11387038>. This resulted in |
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| 24 | // an assertion failure because of the typedef instead of an explicit |
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| 25 | // constant array type. |
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| 26 | struct RDar11387038 {}; |
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| 27 | typedef struct RDar11387038 RDar11387038Array[1]; |
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| 28 | struct RDar11387038_Table { |
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| 29 | RDar11387038Array z; |
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| 30 | }; |
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| 31 | typedef struct RDar11387038_Table * TPtr; |
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| 32 | typedef TPtr *TabHandle; |
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| 33 | struct RDar11387038_B { TabHandle x; }; |
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| 34 | typedef struct RDar11387038_B RDar11387038_B; |
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| 35 | |
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| 36 | void radar11387038() { |
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| 37 | RDar11387038_B *pRDar11387038_B; |
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| 38 | struct RDar11387038* y = &(*pRDar11387038_B->x)->z[4]; |
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| 39 | } |
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| 40 | |
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