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jfager opened this issue Dec 9, 2013 · 2 comments · Fixed by #10870
Closed

Dead code check false positive for static used in match #10865

jfager opened this issue Dec 9, 2013 · 2 comments · Fixed by #10870
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A-lints Area: Lints (warnings about flaws in source code) such as unused_mut.

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@jfager
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jfager commented Dec 9, 2013

With #10477 landed, the following snippet complains that FOO is unused:

static FOO: u16 = 1;

fn main() {
    let i = 1;
    match i {
        FOO => println!("matched"),
        _ => println!("unmatched")
    }
}
@huonw
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huonw commented Dec 9, 2013

cc @ktt3ja

@ktt3ja
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ktt3ja commented Dec 9, 2013

Thanks.

@ktt3ja ktt3ja mentioned this issue Dec 9, 2013
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bors added a commit that referenced this issue Dec 12, 2013
@bors
auto merge of #10870 : ktt3ja/rust/issue-10865, r=alexcrichton
562cf6d 
Fix #10865.
@bors bors closed this as completed in 3d3a663 Dec 14, 2013
flip1995 pushed a commit to flip1995/rust that referenced this issue Jun 30, 2023
@bors
Auto merge of rust-lang#10865 - Centri3:let_with_type_underscore_trac…
f729147 
…ing, r=Jarcho

[`let_with_type_underscore`]: Don't emit on locals from procedural macros

closes rust-lang#10498

changelog: [`let_with_type_underscore`]: Don't emit on locals from procedural macros
flip1995 pushed a commit to flip1995/rust that referenced this issue Jul 6, 2023
@bors @flip1995
Auto merge of rust-lang#10865 - Centri3:let_with_type_underscore_trac…
f25839a 
…ing, r=Jarcho

[`let_with_type_underscore`]: Don't emit on locals from procedural macros

closes rust-lang#10498

changelog: [`let_with_type_underscore`]: Don't emit on locals from procedural macros
MabezDev pushed a commit to esp-rs/rust that referenced this issue Jul 13, 2023
@bors @MabezDev
Auto merge of rust-lang#10865 - Centri3:let_with_type_underscore_trac…
c1d5c53 
…ing, r=Jarcho

[`let_with_type_underscore`]: Don't emit on locals from procedural macros

closes rust-lang#10498

changelog: [`let_with_type_underscore`]: Don't emit on locals from procedural macros
xobs pushed a commit to betrusted-io/rust that referenced this issue Aug 5, 2023
@bors @xobs
Auto merge of rust-lang#10865 - Centri3:let_with_type_underscore_trac…
32760dd 
…ing, r=Jarcho

[`let_with_type_underscore`]: Don't emit on locals from procedural macros

closes rust-lang#10498

changelog: [`let_with_type_underscore`]: Don't emit on locals from procedural macros
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Fix some dead-code pass bugs ktt3ja/rust
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@jfager @huonw @ktt3ja