bjoernager/rust
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fix ICE from debug output by using kind_ty in dumping closure

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Also, make `-Zverbose` dump all info about constants.
This commit is contained in:
Niko Matsakis 2019-10-07 10:59:46 -04:00
parent bec0902535
commit 1dba4b0117
1 changed files with 9 additions and 2 deletions
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11
src/librustc/ty/print/pretty.rs
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@ -689,7 +689,7 @@ pub trait PrettyPrinter<'tcx>:
if self.tcx().sess.verbose() {
p!(write(
" closure_kind_ty={:?} closure_sig_ty={:?}",
substs.as_closure().kind(did, self.tcx()),
substs.as_closure().kind_ty(did, self.tcx()),
substs.as_closure().sig_ty(did, self.tcx())
));
}
@ -698,7 +698,9 @@ pub trait PrettyPrinter<'tcx>:
},
ty::Array(ty, sz) => {
p!(write("["), print(ty), write("; "));
if let ConstValue::Unevaluated(..) = sz.val {
if self.tcx().sess.verbose() {
p!(write("{:?}", sz));
} else if let ConstValue::Unevaluated(..) = sz.val {
// do not try to evalute unevaluated constants. If we are const evaluating an
// array length anon const, rustc will (with debug assertions) print the
// constant's path. Which will end up here again.
@ -855,6 +857,11 @@ pub trait PrettyPrinter<'tcx>:
) -> Result<Self::Const, Self::Error> {
define_scoped_cx!(self);
if self.tcx().sess.verbose() {
p!(write("Const({:?}: {:?})", ct.val, ct.ty));
return Ok(self);
}
let u8 = self.tcx().types.u8;
if let ty::FnDef(did, substs) = ct.ty.kind {
p!(print_value_path(did, substs));