33 lines
888 B
C++
33 lines
888 B
C++
// RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -Wover-aligned %s -isystem %S/Inputs -verify
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// This test ensures that we still get the warning even if we #include <new>
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// where the header here simulates <new>.
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#include <warn-new-overaligned-3.h>
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namespace test1 {
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struct Test {
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template <typename T>
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struct SeparateCacheLines {
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T data;
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} __attribute__((aligned(256)));
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SeparateCacheLines<int> high_contention_data[10];
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};
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void helper() {
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Test t;
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new Test; // expected-warning {{type 'test1::Test' requires 256 bytes of alignment and the default allocator only guarantees}}
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new Test[10]; // expected-warning {{type 'test1::Test' requires 256 bytes of alignment and the default allocator only guarantees}}
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}
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}
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namespace test2 {
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struct helper { int i __attribute__((aligned(256))); };
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struct Placement {
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Placement() {
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new (d) helper();
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}
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helper *d;
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};
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}
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