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Fix a bug when the same function is called with different signatures
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10
example.rs
10
example.rs
@ -110,10 +110,16 @@ fn use_const() -> u8 {
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Abc
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}
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fn call_closure() {
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fn call_closure_3arg() {
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(|_, _, _| {
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})(0u8, 42u8, 0u8)
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})(0u8, 42u16, 0u8)
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}
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fn call_closure_2arg() {
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(|_, _| {
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})(0u8, 42u16)
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}
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fn eq_char(a: char, b: char) -> bool {
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@ -12,11 +12,12 @@ pub fn cton_sig_from_fn_ty<'a, 'tcx: 'a>(tcx: TyCtxt<'a, 'tcx, 'tcx>, fn_ty: Ty<
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Abi::Rust => (CallConv::SystemV, sig.inputs().to_vec(), sig.output()),
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Abi::RustCall => {
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println!("rust-call sig: {:?} inputs: {:?} output: {:?}", sig, sig.inputs(), sig.output());
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assert_eq!(sig.inputs().len(), 2);
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let extra_args = match sig.inputs().last().unwrap().sty {
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ty::TyTuple(ref tupled_arguments) => tupled_arguments,
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_ => bug!("argument to function with \"rust-call\" ABI is not a tuple"),
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};
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let mut inputs: Vec<Ty> = sig.inputs()[0..sig.inputs().len() - 1].to_vec();
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let mut inputs: Vec<Ty> = vec![sig.inputs()[0]];
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inputs.extend(extra_args.into_iter());
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(
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CallConv::SystemV,
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@ -96,7 +97,10 @@ impl<'a, 'tcx: 'a> FunctionCx<'a, 'tcx> {
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let func_id = *self.def_id_fn_id_map.entry(inst).or_insert_with(|| {
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let fn_ty = inst.ty(tcx);
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let sig = cton_sig_from_fn_ty(tcx, fn_ty);
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module.declare_function(&tcx.absolute_item_path_str(inst.def_id()), Linkage::Local, &sig).unwrap()
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let def_path_based_names = ::rustc_mir::monomorphize::item::DefPathBasedNames::new(tcx, false, false);
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let mut name = String::new();
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def_path_based_names.push_instance_as_string(inst, &mut name);
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module.declare_function(&name, Linkage::Local, &sig).unwrap()
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});
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module.declare_func_in_func(func_id, &mut self.bcx.func)
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}
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@ -23,6 +23,7 @@ pub fn trans_mono_item<'a, 'tcx: 'a>(cx: &mut CodegenCx<'a, 'tcx, CurrentBackend
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let func_id = {
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let module = &mut cx.module;
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*cx.def_id_fn_id_map.entry(inst).or_insert_with(|| {
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// WARNING: keep in sync with FunctionCx::get_function_ref
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let def_path_based_names = ::rustc_mir::monomorphize::item::DefPathBasedNames::new(tcx, false, false);
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let mut name = String::new();
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def_path_based_names.push_instance_as_string(inst, &mut name);
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