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-rw-r--r--library/core/src/ptr/mod.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs
index 757b6ef3d3e..8e2bad35993 100644
--- a/library/core/src/ptr/mod.rs
+++ b/library/core/src/ptr/mod.rs
@@ -1865,6 +1865,7 @@ macro_rules! fnptr_impls_safety_abi {
         fnptr_impls_safety_abi! { #[stable(feature = "fnptr_impls", since = "1.4.0")] $FnTy, $($Arg),* }
     };
     (@c_unwind $FnTy: ty, $($Arg: ident),*) => {
+        #[cfg(not(bootstrap))]
         fnptr_impls_safety_abi! { #[unstable(feature = "c_unwind", issue = "74990")] $FnTy, $($Arg),* }
     };
     (#[$meta:meta] $FnTy: ty, $($Arg: ident),*) => {