diff options
| -rw-r--r-- | src/librustc_trans/trans/mir/rvalue.rs | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/librustc_trans/trans/mir/rvalue.rs b/src/librustc_trans/trans/mir/rvalue.rs index a3b46c161d3..e31083f05e1 100644 --- a/src/librustc_trans/trans/mir/rvalue.rs +++ b/src/librustc_trans/trans/mir/rvalue.rs @@ -54,7 +54,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> { bcx } - mir::Rvalue::Cast(mir::CastKind::Unsize, ref operand, cast_ty) => { + mir::Rvalue::Cast(mir::CastKind::Unsize, ref source, cast_ty) => { if common::type_is_fat_ptr(bcx.tcx(), cast_ty) { // into-coerce of a thin pointer to a fat pointer - just // use the operand path. @@ -67,7 +67,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> { // this to be eliminated by MIR translation, but // `CoerceUnsized` can be passed by a where-clause, // so the (generic) MIR may not be able to expand it. - let operand = self.trans_operand(&bcx, operand); + let operand = self.trans_operand(&bcx, source); bcx.with_block(|bcx| { match operand.val { OperandValue::FatPtr(..) => unreachable!(), @@ -92,6 +92,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> { } } }); + self.set_operand_dropped(&bcx, source); bcx } @@ -127,8 +128,8 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> { adt::trans_field_ptr(bcx, &repr, val, disr, i) }); self.store_operand(&bcx, lldest_i, op); - self.set_operand_dropped(&bcx, operand); } + self.set_operand_dropped(&bcx, operand); } }, _ => { @@ -166,8 +167,8 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> { // not be structs but arrays. let dest = bcx.gepi(dest.llval, &[0, i]); self.store_operand(&bcx, dest, op); - self.set_operand_dropped(&bcx, operand); } + self.set_operand_dropped(&bcx, operand); } } } @@ -216,8 +217,8 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> { assert!(rvalue_creates_operand(rvalue), "cannot trans {:?} to operand", rvalue); match *rvalue { - mir::Rvalue::Cast(ref kind, ref operand, cast_ty) => { - let operand = self.trans_operand(&bcx, operand); + mir::Rvalue::Cast(ref kind, ref source, cast_ty) => { + let operand = self.trans_operand(&bcx, source); debug!("cast operand is {:?}", operand); let cast_ty = bcx.monomorphize(&cast_ty); @@ -250,6 +251,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> { // example, // &'a fmt::Debug+Send => &'a fmt::Debug, // and is a no-op at the LLVM level + self.set_operand_dropped(&bcx, source); operand.val } OperandValue::Immediate(lldata) => { @@ -258,6 +260,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> { base::unsize_thin_ptr(bcx, lldata, operand.ty, cast_ty) }); + self.set_operand_dropped(&bcx, source); OperandValue::FatPtr(lldata, llextra) } OperandValue::Ref(_) => { |