roll back commit 1c7a62

src/rt/rust_upcall.cpp

@@ -227,15 +227,6 @@ upcall_shared_free(void* ptr) {
     UPCALL_SWITCH_STACK(&args, upcall_s_shared_free);
 }
 
-/************************************************************************
- * Memset that, contrary to the llvm intrinsic, handles dynamic alignment
- */
-
-extern "C" CDECL void
-upcall_memset(void* ptr, char val, unsigned size, unsigned align) {
-    memset(ptr, val, align_to(size, align));
-}
-
 /**********************************************************************
  * Called to deep copy a type descriptor onto the exchange heap.
  * Used when sending closures.  It's possible that we should have

src/rt/rustrt.def.in

@@ -74,7 +74,6 @@ upcall_rust_personality
 upcall_s_shared_malloc
 upcall_shared_malloc
 upcall_shared_free
-upcall_memset
 upcall_vec_grow
 upcall_vec_push
 upcall_call_shim_on_c_stack