user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Don't pretend that casts to bool are a thing

Browse source
This commit is contained in:
Ralf Jung 2017-07-19 11:35:06 -07:00
parent 72664e42aa
commit 2424953055
1 changed files with 1 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/cast.rs
View file

@ -46,9 +46,7 @@ impl<'a, 'tcx> EvalContext<'a, 'tcx> {
fn cast_int(&self, v: u128, ty: ty::Ty<'tcx>, negative: bool) -> EvalResult<'tcx, PrimVal> {
use rustc::ty::TypeVariants::*;
match ty.sty {
TyBool if v == 0 => Ok(PrimVal::from_bool(false)),
TyBool if v == 1 => Ok(PrimVal::from_bool(true)),
TyBool => Err(EvalError::InvalidBool),
// Casts to bool are not permitted by rustc, no need to handle them here.
TyInt(IntTy::I8) => Ok(PrimVal::Bytes(v as i128 as i8 as u128)),
TyInt(IntTy::I16) => Ok(PrimVal::Bytes(v as i128 as i16 as u128)),