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Check that const_panic_fmt is const too.

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This commit is contained in:
Mara Bos 2021-07-10 18:32:27 +02:00
parent 38bf5b0412
commit 4e6356188f
1 changed files with 9 additions and 2 deletions
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11
compiler/rustc_mir/src/const_eval/machine.rs
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@ -238,7 +238,7 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir,
fn find_mir_or_eval_fn(
ecx: &mut InterpCx<'mir, 'tcx, Self>,
mut instance: ty::Instance<'tcx>,
instance: ty::Instance<'tcx>,
_abi: Abi,
args: &[OpTy<'tcx>],
_ret: Option<(&PlaceTy<'tcx>, mir::BasicBlock)>,
@ -258,7 +258,14 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir,
// that for const fn!
if let Some(new_instance) = ecx.hook_panic_fn(instance, args)? {
// We call another const fn instead.
instance = new_instance;
return Self::find_mir_or_eval_fn(
ecx,
new_instance,
_abi,
args,
_ret,
_unwind,
);
} else {
// We certainly do *not* want to actually call the fn
// though, so be sure we return here.