make InterpResult a dedicated type to avoid accidentally discarding the error

This commit is contained in:
Ralf Jung 2024-09-29 11:53:23 +02:00
parent ad3464493d
commit 4891dd4627

View File

@ -870,10 +870,10 @@ pub fn mir_to_const<'tcx>(tcx: TyCtxt<'tcx>, result: mir::Const<'tcx>) -> Option
let range = alloc_range(offset + size * idx, size);
let val = alloc.read_scalar(&tcx, range, /* read_provenance */ false).ok()?;
res.push(match flt {
FloatTy::F16 => Constant::F16(f16::from_bits(val.to_u16().ok()?)),
FloatTy::F32 => Constant::F32(f32::from_bits(val.to_u32().ok()?)),
FloatTy::F64 => Constant::F64(f64::from_bits(val.to_u64().ok()?)),
FloatTy::F128 => Constant::F128(f128::from_bits(val.to_u128().ok()?)),
FloatTy::F16 => Constant::F16(f16::from_bits(val.to_u16().discard_err()?)),
FloatTy::F32 => Constant::F32(f32::from_bits(val.to_u32().discard_err()?)),
FloatTy::F64 => Constant::F64(f64::from_bits(val.to_u64().discard_err()?)),
FloatTy::F128 => Constant::F128(f128::from_bits(val.to_u128().discard_err()?)),
});
}
Some(Constant::Vec(res))
@ -903,7 +903,7 @@ fn mir_is_empty<'tcx>(tcx: TyCtxt<'tcx>, result: mir::Const<'tcx>) -> Option<boo
.read_scalar(&tcx, alloc_range(offset + ptr_size, ptr_size), false)
.ok()?
.to_target_usize(&tcx)
.ok()?;
.discard_err()?;
Some(len == 0)
} else {
None