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Regression test for incremental treatment of rustc_scalar_valid_range…

…_{start,end}.
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pnkfelix committed Mar 29, 2019
1 parent 7642f10 commit cbbd4d5f98da0c218958766355ea58d28d92f68d
Showing with 19 additions and 0 deletions.
  1. +19 −0 src/test/incremental/issue-59524-layout-scalar-valid-range-is-not-unused.rs
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// We should not see the unused_attributes lint fire for
// rustc_layout_scalar_valid_range_start, but with this bug we are
// seeing it fire (on subsequent runs) if incremental compilation is
// enabled.

// revisions: rpass1 rpass2
// compile-pass

#![feature(rustc_attrs)]
#![deny(unused_attributes)]

#[rustc_layout_scalar_valid_range_start(10)]
#[rustc_layout_scalar_valid_range_end(30)]
struct RestrictedRange(u32);
const OKAY_RANGE: RestrictedRange = unsafe { RestrictedRange(20) };

fn main() {
OKAY_RANGE.0;
}

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