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authorbors <bors@rust-lang.org>2023-03-28 12:50:01 +0000
committerbors <bors@rust-lang.org>2023-03-28 12:50:01 +0000
commitbf57e8ada6dc62369d1cee7ab055fb4074bd2d10 (patch)
tree21cb8bce941e422c139fe496537d8ab823fadccc /compiler/rustc_monomorphize/src
parent60660371efe59dfc99644e9d709a1b71e25ae2ac (diff)
parent5ae6caa0f04c686f0cc8a330f54390131148f899 (diff)
downloadrust-bf57e8ada6dc62369d1cee7ab055fb4074bd2d10.tar.gz
rust-bf57e8ada6dc62369d1cee7ab055fb4074bd2d10.zip
Auto merge of #108080 - oli-obk:FnPtr-trait, r=lcnr
Add a builtin `FnPtr` trait that is implemented for all function pointers

r? `@ghost`

Rebased version of https://github.com/rust-lang/rust/pull/99531 (plus adjustments mentioned in the PR).

If perf is happy with this version, I would like to land it, even if the diagnostics fix in 9df8e1befb5031a5bf9d8dfe25170620642d3c59 only works for `FnPtr` specifically, and does not generally improve blanket impls.
Diffstat (limited to 'compiler/rustc_monomorphize/src')
-rw-r--r--compiler/rustc_monomorphize/src/collector.rs3
-rw-r--r--compiler/rustc_monomorphize/src/partitioning/default.rs6
2 files changed, 6 insertions, 3 deletions
diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs
index aff27e5664b..8e7012c2774 100644
--- a/compiler/rustc_monomorphize/src/collector.rs
+++ b/compiler/rustc_monomorphize/src/collector.rs
@@ -974,7 +974,8 @@ fn visit_instance_use<'tcx>(
         | ty::InstanceDef::ClosureOnceShim { .. }
         | ty::InstanceDef::Item(..)
         | ty::InstanceDef::FnPtrShim(..)
-        | ty::InstanceDef::CloneShim(..) => {
+        | ty::InstanceDef::CloneShim(..)
+        | ty::InstanceDef::FnPtrAddrShim(..) => {
             output.push(create_fn_mono_item(tcx, instance, source));
         }
     }
diff --git a/compiler/rustc_monomorphize/src/partitioning/default.rs b/compiler/rustc_monomorphize/src/partitioning/default.rs
index 3c7425d83c4..64968a76ab5 100644
--- a/compiler/rustc_monomorphize/src/partitioning/default.rs
+++ b/compiler/rustc_monomorphize/src/partitioning/default.rs
@@ -278,7 +278,8 @@ fn characteristic_def_id_of_mono_item<'tcx>(
                 | ty::InstanceDef::Intrinsic(..)
                 | ty::InstanceDef::DropGlue(..)
                 | ty::InstanceDef::Virtual(..)
-                | ty::InstanceDef::CloneShim(..) => return None,
+                | ty::InstanceDef::CloneShim(..)
+                | ty::InstanceDef::FnPtrAddrShim(..) => return None,
             };
 
             // If this is a method, we want to put it into the same module as
@@ -432,7 +433,8 @@ fn mono_item_visibility<'tcx>(
         | InstanceDef::Intrinsic(..)
         | InstanceDef::ClosureOnceShim { .. }
         | InstanceDef::DropGlue(..)
-        | InstanceDef::CloneShim(..) => return Visibility::Hidden,
+        | InstanceDef::CloneShim(..)
+        | InstanceDef::FnPtrAddrShim(..) => return Visibility::Hidden,
     };
 
     // The `start_fn` lang item is actually a monomorphized instance of a