Migrated remaining src/test/run-pass/ subdirectories to src/test/ui/run-pass/.
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// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// compile-flags: -C codegen-units=8 -O -C lto=thin
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// aux-build:thin-lto-inlines-aux.rs
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// no-prefer-dynamic
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// ignore-emscripten can't inspect instructions on emscripten
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// We want to assert here that ThinLTO will inline across codegen units. There's
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// not really a great way to do that in general so we sort of hack around it by
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// praying two functions go into separate codegen units and then assuming that
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// if inlining *doesn't* happen the first byte of the functions will differ.
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extern crate thin_lto_inlines_aux as bar;
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pub fn foo() -> u32 {
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bar::bar()
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}
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fn main() {
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println!("{} {}", foo(), bar::bar());
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unsafe {
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let foo = foo as usize as *const u8;
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let bar = bar::bar as usize as *const u8;
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assert_eq!(*foo, *bar);
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}
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}
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