Let InstCombine remove Clone shims inside Clone shims

Co-authored-by: scottmcm <scottmcm@users.noreply.github.com>
carolynzech · Jul 25, 2024 · 92c0ad7 · 92c0ad7
1 parent 2fff48d
commit 92c0ad7
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diff --git a/rtstartup/rsbegin.rs b/rtstartup/rsbegin.rs
@@ -29,6 +29,8 @@ trait Copy {}
 #[lang = "freeze"]
 auto trait Freeze {}
 
+impl<T: ?Sized> Copy for *mut T {}
+
 #[lang = "drop_in_place"]
 #[inline]
 #[allow(unconditional_recursion)]

diff --git a/rtstartup/rsend.rs b/rtstartup/rsend.rs
@@ -17,6 +17,8 @@ trait Copy {}
 #[lang = "freeze"]
 auto trait Freeze {}
 
+impl<T: ?Sized> Copy for *mut T {}
+
 #[lang = "drop_in_place"]
 #[inline]
 #[allow(unconditional_recursion)]