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authorEric Fiselier <eric@efcs.ca>2016-05-10 16:17:43 +0000
committerEric Fiselier <eric@efcs.ca>2016-05-10 16:17:43 +0000
commita5e201fd5570baa620cd266a73c156420f471ba8 (patch)
tree6cbe35a6bb670db7eb82cf6f5faf32b2e66a9c00 /clang/unittests/Basic/VirtualFileSystemTest.cpp
parent129fba7fb64dc003b822f801964647983f132f7f (diff)
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[libcxx] Prefer C++14 over C++11 when building libc++experimental.
Summary: Currently libc++experimental builds with C++11. This patch changes that to C++14 when supported by the compiler. Although nothing currently requires C++14 the upcoming <experimental/memory_resource> implementation would benefit from it. [1] Note that libc++.so continues to build with C++11 and is unaffected by this change. [1] <experimental/memory_resource> provides global resources which must exist for the entire lifetime of the program. In order to ensure that a global resource can be used during program termination there destructors must never be invoked. The only way to do this, while also allowing "constant initialization", is to use a C++14 union. Reviewers: mclow.lists Subscribers: pete, cfe-commits Differential Revision: http://reviews.llvm.org/D19992 llvm-svn: 269070
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