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Fix ICE #3747

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[Martins Polakovs, John Firebaugh]
This commit is contained in:
Martins Polakovs 2019-02-23 19:29:30 +02:00
parent 68114c40cb
commit 391ee7987d
2 changed files with 20 additions and 3 deletions
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6
clippy_lints/src/functions.rs
View File

@ -147,7 +147,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Functions {
} }
self.check_raw_ptr(cx, unsafety, decl, body, nodeid); self.check_raw_ptr(cx, unsafety, decl, body, nodeid);
self.check_line_number(cx, span); self.check_line_number(cx, span, body);
} }
fn check_trait_item(&mut self, cx: &LateContext<'a, 'tcx>, item: &'tcx hir::TraitItem) { fn check_trait_item(&mut self, cx: &LateContext<'a, 'tcx>, item: &'tcx hir::TraitItem) {
@ -178,12 +178,12 @@ impl<'a, 'tcx> Functions {
} }
} }
fn check_line_number(self, cx: &LateContext<'_, '_>, span: Span) { fn check_line_number(self, cx: &LateContext<'_, '_>, span: Span, body: &'tcx hir::Body) {
if in_external_macro(cx.sess(), span) { if in_external_macro(cx.sess(), span) {
return; return;
} }
let code_snippet = snippet(cx, span, ".."); let code_snippet = snippet(cx, body.value.span, "..");
let mut line_count: u64 = 0; let mut line_count: u64 = 0;
let mut in_comment = false; let mut in_comment = false;
let mut code_in_line; let mut code_in_line;

17
tests/ui/crashes/ice-3747.rs Normal file
View File

@ -0,0 +1,17 @@
/// Test for https://github.com/rust-lang/rust-clippy/issues/3747
macro_rules! a {
( $pub:tt $($attr:tt)* ) => {
$($attr)* $pub fn say_hello() {}
};
}
macro_rules! b {
() => {
a! { pub }
};
}
b! {}
fn main() {}