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KCFI: Use legal charset in shim encoding

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To separate `ReifyReason::FnPtr` from `ReifyReason::VTable`, we
hyphenated the shims. Hyphens are not actually legal, but underscores
are, so use those instead.
This commit is contained in:
Matthew Maurer
2024-04-08 20:42:18 +00:00
parent ab3dba92db
commit 233d94e72f
2 changed files with 32 additions and 2 deletions
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4
compiler/rustc_symbol_mangling/src/v0.rs
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@@ -45,8 +45,8 @@ pub(super) fn mangle<'tcx>(
ty::InstanceDef::ThreadLocalShim(_) => Some("tls"),
ty::InstanceDef::VTableShim(_) => Some("vtable"),
ty::InstanceDef::ReifyShim(_, None) => Some("reify"),
ty::InstanceDef::ReifyShim(_, Some(ReifyReason::FnPtr)) => Some("reify-fnptr"),
ty::InstanceDef::ReifyShim(_, Some(ReifyReason::Vtable)) => Some("reify-vtable"),
ty::InstanceDef::ReifyShim(_, Some(ReifyReason::FnPtr)) => Some("reify_fnptr"),
ty::InstanceDef::ReifyShim(_, Some(ReifyReason::Vtable)) => Some("reify_vtable"),
ty::InstanceDef::ConstructCoroutineInClosureShim { .. }
| ty::InstanceDef::CoroutineKindShim { .. } => Some("fn_once"),