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stop initializing ref_count for stack closures

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the only part of the header ~fn and &fn should be touching right now is
the tydesc
This commit is contained in:
Daniel Micay 2013-07-16 22:29:19 -04:00
parent 93c270c63d
commit 8d561587b2
1 changed files with 0 additions and 11 deletions
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11
src/librustc/middle/trans/closure.rs
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@ -174,16 +174,6 @@ pub fn allocate_cbox(bcx: block, sigil: ast::Sigil, cdata_ty: ty::t)
let ccx = bcx.ccx();
let tcx = ccx.tcx;
fn nuke_ref_count(bcx: block, llbox: ValueRef) {
let _icx = push_ctxt("closure::nuke_ref_count");
// Initialize ref count to arbitrary value for debugging:
let ccx = bcx.ccx();
let llbox = PointerCast(bcx, llbox, Type::opaque_box(ccx).ptr_to());
let ref_cnt = GEPi(bcx, llbox, [0u, abi::box_field_refcnt]);
let rc = C_int(ccx, 0x12345678);
Store(bcx, rc, ref_cnt);
}
// Allocate and initialize the box:
match sigil {
ast::ManagedSigil => {
@ -195,7 +185,6 @@ pub fn allocate_cbox(bcx: block, sigil: ast::Sigil, cdata_ty: ty::t)
ast::BorrowedSigil => {
let cbox_ty = tuplify_box_ty(tcx, cdata_ty);
let llbox = alloc_ty(bcx, cbox_ty, "__closure");
nuke_ref_count(bcx, llbox);
rslt(bcx, llbox)
}
}