Don't set STILL_FURTHER_SPECIALIZABLE for regions/bound variables

rust-lang · Jun 10, 2020 · 373c735 · 373c735
1 parent fb16ee7
commit 373c735
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Showing 2 changed files with 0 additions and 5 deletions.
diff --git a/src/librustc_middle/ty/flags.rs b/src/librustc_middle/ty/flags.rs
@@ -93,7 +93,6 @@ impl FlagComputation {
 
             &ty::Bound(debruijn, _) => {
                 self.add_binder(debruijn);
-                self.add_flags(TypeFlags::STILL_FURTHER_SPECIALIZABLE);
             }
 
             &ty::Placeholder(..) => {
@@ -216,7 +215,6 @@ impl FlagComputation {
             }
             ty::ConstKind::Bound(debruijn, _) => {
                 self.add_binder(debruijn);
-                self.add_flags(TypeFlags::STILL_FURTHER_SPECIALIZABLE);
             }
             ty::ConstKind::Param(_) => {
                 self.add_flags(TypeFlags::HAS_CT_PARAM);

diff --git a/src/librustc_middle/ty/sty.rs b/src/librustc_middle/ty/sty.rs
@@ -1583,19 +1583,16 @@ impl RegionKind {
                 flags = flags | TypeFlags::HAS_FREE_REGIONS;
                 flags = flags | TypeFlags::HAS_FREE_LOCAL_REGIONS;
                 flags = flags | TypeFlags::HAS_RE_INFER;
-                flags = flags | TypeFlags::STILL_FURTHER_SPECIALIZABLE;
             }
             ty::RePlaceholder(..) => {
                 flags = flags | TypeFlags::HAS_FREE_REGIONS;
                 flags = flags | TypeFlags::HAS_FREE_LOCAL_REGIONS;
                 flags = flags | TypeFlags::HAS_RE_PLACEHOLDER;
-                flags = flags | TypeFlags::STILL_FURTHER_SPECIALIZABLE;
             }
             ty::ReEarlyBound(..) => {
                 flags = flags | TypeFlags::HAS_FREE_REGIONS;
                 flags = flags | TypeFlags::HAS_FREE_LOCAL_REGIONS;
                 flags = flags | TypeFlags::HAS_RE_PARAM;
-                flags = flags | TypeFlags::STILL_FURTHER_SPECIALIZABLE;
             }
             ty::ReFree { .. } => {
                 flags = flags | TypeFlags::HAS_FREE_REGIONS;