Use renamed atomic intrinsics in panic_unwind

Author: tmiasko

library/panic_unwind/src/seh.rs

@@ -256,7 +256,7 @@ cfg_if::cfg_if! {
 }
 
 pub unsafe fn panic(data: Box<dyn Any + Send>) -> u32 {
-    use core::intrinsics::atomic_store;
+    use core::intrinsics::atomic_store_seqcst;
 
     // _CxxThrowException executes entirely on this stack frame, so there's no
     // need to otherwise transfer `data` to the heap. We just pass a stack
@@ -288,20 +288,23 @@ pub unsafe fn panic(data: Box<dyn Any + Send>) -> u32 {
     //
     // In any case, we basically need to do something like this until we can
     // express more operations in statics (and we may never be able to).
-    atomic_store(&mut THROW_INFO.pmfnUnwind as *mut _ as *mut u32, ptr!(exception_cleanup) as u32);
-    atomic_store(
+    atomic_store_seqcst(
+        &mut THROW_INFO.pmfnUnwind as *mut _ as *mut u32,
+        ptr!(exception_cleanup) as u32,
+    );
+    atomic_store_seqcst(
         &mut THROW_INFO.pCatchableTypeArray as *mut _ as *mut u32,
         ptr!(&CATCHABLE_TYPE_ARRAY as *const _) as u32,
     );
-    atomic_store(
+    atomic_store_seqcst(
         &mut CATCHABLE_TYPE_ARRAY.arrayOfCatchableTypes[0] as *mut _ as *mut u32,
         ptr!(&CATCHABLE_TYPE as *const _) as u32,
     );
-    atomic_store(
+    atomic_store_seqcst(
         &mut CATCHABLE_TYPE.pType as *mut _ as *mut u32,
         ptr!(&TYPE_DESCRIPTOR as *const _) as u32,
     );
-    atomic_store(
+    atomic_store_seqcst(
         &mut CATCHABLE_TYPE.copyFunction as *mut _ as *mut u32,
         ptr!(exception_copy) as u32,
     );