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Removed some dead code. 

While tracking down how this function became dead, identified a spot
(@fn cannot happen) where we probably would prefer to ICE rather than
pass silently; so added fail! invocation.
This commit is contained in:
Felix S. Klock II 2013-11-29 18:20:27 +01:00
parent 6c672ee094
commit fffa10c175
1 changed files with 1 additions and 11 deletions
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12
src/librustc/middle/kind.rs
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@ -182,17 +182,6 @@ fn with_appropriate_checker(cx: &Context,
check_freevar_bounds(cx, fv.span, var_t, bounds, None);
}
fn check_for_box(cx: &Context, fv: &freevar_entry, bounds: ty::BuiltinBounds) {
// all captured data must be owned
let id = ast_util::def_id_of_def(fv.def).node;
let var_t = ty::node_id_to_type(cx.tcx, id);
// check that only immutable variables are implicitly copied in
check_imm_free_var(cx, fv.def, fv.span);
check_freevar_bounds(cx, fv.span, var_t, bounds, None);
}
fn check_for_block(cx: &Context, fv: &freevar_entry,
bounds: ty::BuiltinBounds, region: ty::Region) {
let id = ast_util::def_id_of_def(fv.def).node;
@ -225,6 +214,7 @@ fn with_appropriate_checker(cx: &Context,
..
}) => {
// can't happen
fail!("internal error: saw closure with managed sigil (@fn)");
}
ty::ty_closure(ty::ClosureTy {
sigil: BorrowedSigil,