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authorkennytm <kennytm@gmail.com>2018-02-10 14:24:04 +0800
committerGitHub <noreply@github.com>2018-02-10 14:24:04 +0800
commit1e10ca0b030c4c68336be44260da1625fc98cb9d (patch)
treeecc388e742458fac6a193db44aa0a2373a03888f /src/test/incremental/thinlto
parentd6394e51a01c9617c9d33a78d66db2236d8994dc (diff)
parent7a20fc14ef255df1ce2c417943605015aba2b1ff (diff)
downloadrust-1e10ca0b030c4c68336be44260da1625fc98cb9d.tar.gz
rust-1e10ca0b030c4c68336be44260da1625fc98cb9d.zip
Rollup merge of #48078 - alexcrichton:fix-required-const-and-proc-macro, r=eddyb
Disallow function pointers to #[rustc_args_required_const]

This commit disallows acquiring a function pointer to functions tagged as
`#[rustc_args_required_const]`. This is intended to be used as future-proofing
for the stdsimd crate to avoid taking a function pointer to any intrinsic which
has a hard requirement that one of the arguments is a constant value.

Note that the first commit here isn't related specifically to this feature, but was necessary to get this working in stdsimd!
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