rust/src/test/codegen/fatptr.rs, branch stable

rust/src/test/codegen/fatptr.rs, branch stable https://github.com/rust-lang/rust http://git.dreamy.place/mirrors/rust/atom?h=stable 2023-01-11T09:32:08+00:00 Move /src/test to /tests 2023-01-11T09:32:08+00:00 Albert Larsan 74931857+albertlarsan68@users.noreply.github.com 2023-01-05T08:13:28+00:00 urn:sha1:cf2dff2b1e3fa55fa5415d524200070d0d7aacfe Remove licenses 2018-12-26T04:08:33+00:00 Mark Rousskov mark.simulacrum@gmail.com 2018-12-25T15:56:47+00:00 urn:sha1:2a663555ddf36f6b041445894a8c175cd1bc718c Avoid FCA loads and extractvalue when copying fat pointers 2015-11-20T20:42:13+00:00 Björn Steinbrink bsteinbr@gmail.com 2015-11-20T20:42:13+00:00 urn:sha1:6741f3315af8c8f124796b4fde042a1099588598 Since fat pointers do not qualify as structural types, they got copied using load_ty and store_ty, which means that we load an FCA and use extractvalue to get the components of the fat pointer. This breaks certain optimizations in LLVM. Found via apasel422/ref_count#13