| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s -triple x86_64-linux-gnu |
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| 2 | |
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| 3 | // PR15216 |
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| 4 | // Don't crash when taking computing the offset of structs with large arrays. |
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| 5 | const unsigned long Size = (1l << 60); |
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| 6 | |
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| 7 | struct Chunk1 { |
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| 8 | char padding[Size]; |
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| 9 | char more_padding[1][Size]; |
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| 10 | char data; |
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| 11 | }; |
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| 12 | |
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| 13 | int test1 = __builtin_offsetof(struct Chunk1, data); |
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| 14 | |
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| 15 | struct Chunk2 { |
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| 16 | char padding[Size][Size][Size]; // expected-error 2{{array is too large}} |
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| 17 | char data; |
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| 18 | }; |
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| 19 | |
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| 20 | // FIXME: Remove this error when the constant evaluator learns to |
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| 21 | // ignore bad types. |
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| 22 | int test2 = __builtin_offsetof(struct Chunk2, data); // expected-error{{initializer element is not a compile-time constant}} |
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| 23 | |
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