diff --git a/compiler/rustc_mir/src/const_eval/error.rs b/compiler/rustc_mir/src/const_eval/error.rs index 39358e03e75..345a3d7e79b 100644 --- a/compiler/rustc_mir/src/const_eval/error.rs +++ b/compiler/rustc_mir/src/const_eval/error.rs @@ -20,6 +20,7 @@ pub enum ConstEvalErrKind { ModifiedGlobal, AssertFailure(AssertKind), Panic { msg: Symbol, line: u32, col: u32, file: Symbol }, + Abort(String), } // The errors become `MachineStop` with plain strings when being raised. @@ -46,6 +47,7 @@ impl fmt::Display for ConstEvalErrKind { Panic { msg, line, col, file } => { write!(f, "the evaluated program panicked at '{}', {}:{}:{}", msg, file, line, col) } + Abort(ref msg) => write!(f, "{}", msg) } } } diff --git a/compiler/rustc_mir/src/interpret/intrinsics.rs b/compiler/rustc_mir/src/interpret/intrinsics.rs index 90018673e1a..18abf4291b1 100644 --- a/compiler/rustc_mir/src/interpret/intrinsics.rs +++ b/compiler/rustc_mir/src/interpret/intrinsics.rs @@ -126,7 +126,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { None => match intrinsic_name { sym::transmute => throw_ub_format!("transmuting to uninhabited type"), sym::unreachable => throw_ub!(Unreachable), - sym::abort => M::abort(self)?, + sym::abort => M::abort(self, "aborted execution".to_owned())?, // Unsupported diverging intrinsic. _ => return Ok(false), }, @@ -412,7 +412,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { let layout = self.layout_of(ty)?; if layout.abi.is_uninhabited() { - throw_ub_format!("attempted to instantiate uninhabited type `{}`", ty); + M::abort(self, format!("attempted to instantiate uninhabited type `{}`", ty))?; } } sym::simd_insert => { diff --git a/compiler/rustc_mir/src/interpret/machine.rs b/compiler/rustc_mir/src/interpret/machine.rs index 66dbacb2f9d..1c13cdbc6e6 100644 --- a/compiler/rustc_mir/src/interpret/machine.rs +++ b/compiler/rustc_mir/src/interpret/machine.rs @@ -176,8 +176,10 @@ pub trait Machine<'mir, 'tcx>: Sized { ) -> InterpResult<'tcx>; /// Called to evaluate `Abort` MIR terminator. - fn abort(_ecx: &mut InterpCx<'mir, 'tcx, Self>) -> InterpResult<'tcx, !> { - throw_unsup_format!("aborting execution is not supported") + fn abort(_ecx: &mut InterpCx<'mir, 'tcx, Self>, msg: String) -> InterpResult<'tcx, !> { + use crate::const_eval::ConstEvalErrKind; + + Err(ConstEvalErrKind::Abort(msg).into()) } /// Called for all binary operations where the LHS has pointer type. diff --git a/compiler/rustc_mir/src/interpret/terminator.rs b/compiler/rustc_mir/src/interpret/terminator.rs index bb11c2a23bd..18079488c89 100644 --- a/compiler/rustc_mir/src/interpret/terminator.rs +++ b/compiler/rustc_mir/src/interpret/terminator.rs @@ -110,7 +110,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } Abort => { - M::abort(self)?; + M::abort(self, "aborted execution".to_owned())?; } // When we encounter Resume, we've finished unwinding