Rustup to *rustc 1.19.0-nightly (0418fa9d3 2017-06-04)* #1814
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oli-obk
reviewed
Jun 5, 2017
| @@ -129,16 +129,13 @@ pub fn for_loop(expr: &hir::Expr) -> Option<(&hir::Pat, &hir::Expr, &hir::Expr)> | |||
| let hir::ExprCall(_, ref iterargs) = iterexpr.node, | |||
| iterargs.len() == 1 && arms.len() == 1 && arms[0].guard.is_none(), | |||
| let hir::ExprLoop(ref block, _, _) = arms[0].body.node, | |||
| block.stmts.is_empty(), | |||
| let Some(ref loopexpr) = block.expr, | |||
| let hir::ExprMatch(_, ref innerarms, hir::MatchSource::ForLoopDesugar) = loopexpr.node, | |||
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The new code doesn't check for the desugar. So any code that looks like a for loop will be accepted by this function
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See rust-lang/rust#42265.