diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index e90474cabb4..66f38deefba 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -1619,6 +1619,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ast::LitKind::Int(_, ast::LitIntType::Unsuffixed) => { let opt_ty = expected.to_option(self).and_then(|ty| match ty.kind() { ty::Int(_) | ty::Uint(_) => Some(ty), + // These exist to direct casts like `0x61 as char` to use + // the right integer type to cast from, instead of falling back to + // i32 due to no further constraints. ty::Char => Some(tcx.types.u8), ty::RawPtr(..) => Some(tcx.types.usize), ty::FnDef(..) | ty::FnPtr(..) => Some(tcx.types.usize), |