31 lines
1.3 KiB
Rust
31 lines
1.3 KiB
Rust
// Copyright 2015 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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#![crate_type = "rlib"]
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// no-prefer-dynamic
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// compile-flags: -g
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#[macro_use]
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mod crate_with_invalid_spans_macros;
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pub fn exported_generic<T>(x: T, y: u32) -> (T, u32) {
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// Using the add1 macro will produce an invalid span, because the `y` passed
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// to the macro will have a span from this file, but the rest of the code
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// generated from the macro will have spans from the macro-defining file.
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// The AST node for the (1 + y) expression generated by the macro will then
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// take it's `lo` span bound from the `1` literal in the macro-defining file
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// and it's `hi` bound from `y` in this file, which should be lower than the
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// `lo` and even lower than the lower bound of the FileMap it is supposedly
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// contained in because the FileMap for this file was allocated earlier than
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// the FileMap of the macro-defining file.
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return (x, add1!(y));
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}
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