Add test for macro_rules! invoking a proc-macro with capture groups
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src/test/ui/proc-macro/macro-rules-capture.rs
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src/test/ui/proc-macro/macro-rules-capture.rs
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// aux-build: test-macros.rs
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extern crate test_macros;
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use test_macros::recollect_attr;
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macro_rules! reemit {
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($name:ident => $($token:expr)*) => {
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#[recollect_attr]
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pub fn $name() {
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$($token)*;
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}
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}
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}
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reemit! { foo => 45u32.into() } //~ ERROR type annotations
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fn main() {}
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src/test/ui/proc-macro/macro-rules-capture.stderr
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src/test/ui/proc-macro/macro-rules-capture.stderr
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error[E0282]: type annotations needed
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--> $DIR/macro-rules-capture.rs:16:24
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LL | reemit! { foo => 45u32.into() }
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| ------^^^^--
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| | |
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| | cannot infer type for type parameter `T` declared on the trait `Into`
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| this method call resolves to `T`
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0282`.
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