From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/SemaCXX/warn-new-overaligned-3.cpp | 33 +++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 clang/test/SemaCXX/warn-new-overaligned-3.cpp (limited to 'clang/test/SemaCXX/warn-new-overaligned-3.cpp') diff --git a/clang/test/SemaCXX/warn-new-overaligned-3.cpp b/clang/test/SemaCXX/warn-new-overaligned-3.cpp new file mode 100644 index 0000000..c9a57fb --- /dev/null +++ b/clang/test/SemaCXX/warn-new-overaligned-3.cpp @@ -0,0 +1,33 @@ +// RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -Wover-aligned %s -isystem %S/Inputs -verify + +// This test ensures that we still get the warning even if we #include +// where the header here simulates . +#include + +namespace test1 { +struct Test { + template + struct SeparateCacheLines { + T data; + } __attribute__((aligned(256))); + + SeparateCacheLines high_contention_data[10]; +}; + +void helper() { + Test t; + new Test; // expected-warning {{type 'test1::Test' requires 256 bytes of alignment and the default allocator only guarantees}} + new Test[10]; // expected-warning {{type 'test1::Test' requires 256 bytes of alignment and the default allocator only guarantees}} +} +} + +namespace test2 { +struct helper { int i __attribute__((aligned(256))); }; + +struct Placement { + Placement() { + new (d) helper(); + } + helper *d; +}; +} -- cgit v1.2.3