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Cast more aggressively to the callee type when calling generic functions. Add a test-case for this, and XFAIL it in rustboot.

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This commit is contained in:
Patrick Walton 2011-02-24 13:51:53 -08:00
parent 5332250d3b
commit dcd65fac19
3 changed files with 19 additions and 3 deletions
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12
src/comp/middle/trans.rs
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@ -3091,6 +3091,12 @@ fn trans_args(@block_ctxt cx,
}
// ... then explicit args.
// First we figure out the caller's view of the types of the arguments.
// This will be needed if this is a generic call, because the callee has
// to cast her view of the arguments to the caller's view.
auto arg_tys = type_of_explicit_args(cx.fcx.ccx, args);
auto i = 0u;
for (@ast.expr e in es) {
auto mode = args.(i).mode;
@ -3132,9 +3138,9 @@ fn trans_args(@block_ctxt cx,
bcx = re.bcx;
}
if (ty.type_has_dynamic_size(args.(i).ty)) {
val = bcx.build.PointerCast(val,
T_typaram_ptr(cx.fcx.ccx.tn));
if (ty.count_ty_params(args.(i).ty) > 0u) {
auto lldestty = arg_tys.(i);
val = bcx.build.PointerCast(val, lldestty);
}
llargs += val;