| 1 | // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -Wover-aligned %s -isystem %S/Inputs -verify |
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| 2 | |
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| 3 | // This test ensures that we still get the warning even if we #include <new> |
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| 4 | // where the header here simulates <new>. |
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| 5 | #include <warn-new-overaligned-3.h> |
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| 6 | |
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| 7 | namespace test1 { |
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| 8 | struct Test { |
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| 9 | template <typename T> |
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| 10 | struct SeparateCacheLines { |
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| 11 | T data; |
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| 12 | } __attribute__((aligned(256))); |
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| 13 | |
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| 14 | SeparateCacheLines<int> high_contention_data[10]; |
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| 15 | }; |
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| 16 | |
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| 17 | void helper() { |
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| 18 | Test t; |
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| 19 | new Test; // expected-warning {{type 'test1::Test' requires 256 bytes of alignment and the default allocator only guarantees}} |
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| 20 | new Test[10]; // expected-warning {{type 'test1::Test' requires 256 bytes of alignment and the default allocator only guarantees}} |
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| 21 | } |
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| 22 | } |
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| 23 | |
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| 24 | namespace test2 { |
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| 25 | struct helper { int i __attribute__((aligned(256))); }; |
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| 26 | |
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| 27 | struct Placement { |
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| 28 | Placement() { |
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| 29 | new (d) helper(); |
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| 30 | } |
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| 31 | helper *d; |
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| 32 | }; |
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| 33 | } |
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| 34 | |
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