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Fix segfault when calling tuple struct constructor as extern fn

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Fixes #5315
This commit is contained in:
Andreas Martens 2013-08-17 22:42:31 +02:00
parent 7503396070
commit c4b4cb36c8
2 changed files with 25 additions and 2 deletions
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8
src/librustc/middle/trans/expr.rs
View File

@ -795,14 +795,18 @@ fn trans_def_dps_unadjusted(bcx: @mut Block, ref_expr: &ast::expr,
return bcx;
}
}
ast::def_struct(*) => {
ast::def_struct(def_id) => {
let ty = expr_ty(bcx, ref_expr);
match ty::get(ty).sty {
ty::ty_struct(did, _) if ty::has_dtor(ccx.tcx, did) => {
let repr = adt::represent_type(ccx, ty);
adt::trans_start_init(bcx, repr, lldest, 0);
}
_ => {}
ty::ty_bare_fn(*) => {
let fn_data = callee::trans_fn_ref(bcx, def_id, ref_expr.id);
Store(bcx, fn_data.llfn, lldest);
}
_ => ()
}
return bcx;
}

19
src/test/run-pass/tuple-struct-constructor-pointer.rs Normal file
View File

@ -0,0 +1,19 @@
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
struct Foo(int);
struct Bar(int, int);
fn main() {
let f: extern fn(int) -> Foo = Foo;
let g: extern fn(int, int) -> Bar = Bar;
f(42);
g(4, 7);
}