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Add checkup on number of arguments

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Guillaume Gomez 2015-08-30 09:52:34 +02:00
parent 4bb90232da
commit 78feb4ddf9
1 changed files with 7 additions and 0 deletions
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7
src/librustc_typeck/check/intrinsic.rs
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@ -408,6 +408,13 @@ pub fn check_platform_intrinsic_type(ccx: &CrateCtxt,
let mut structural_to_nomimal = HashMap::new();
let sig = tcx.no_late_bound_regions(i_ty.ty.fn_sig()).unwrap();
if intr.inputs.len() != sig.inputs.len() {
span_err!(tcx.sess, it.span, E0444,
"platform-specific intrinsic has invalid number of \
arguments: found {}, expected {}",
intr.inputs.len(), sig.inputs.len());
return
}
let input_pairs = intr.inputs.iter().zip(&sig.inputs);
for (i, (expected_arg, arg)) in input_pairs.enumerate() {
match_intrinsic_type_to_type(tcx, &format!("argument {}", i + 1), it.span,