Fix tests

compiler/noirc_evaluator/src/ssa/opt/die.rs

@@ -827,36 +827,6 @@ mod test {
         assert!(matches!(&main.dfg[instructions[3]], Instruction::ArrayGet { .. }));
     }
 
-    #[test]
-    fn remove_inc_rcs_that_are_never_mutably_borrowed() {
-        let src = "
-            acir(inline) fn main f0 {
-              b0(v0: [Field; 2]):
-                inc_rc v0
-                inc_rc v0
-                inc_rc v0
-                v2 = array_get v0, index u32 0 -> Field
-                inc_rc v0
-                return v2
-            }
-            ";
-        let ssa = Ssa::from_str(src).unwrap();
-        let main = ssa.main();
-
-        // The instruction count never includes the terminator instruction
-        assert_eq!(main.dfg[main.entry_block()].instructions().len(), 5);
-
-        let expected = "
-            acir(inline) fn main f0 {
-              b0(v0: [Field; 2]):
-                v2 = array_get v0, index u32 0 -> Field
-                return v2
-            }
-            ";
-        let ssa = ssa.dead_instruction_elimination();
-        assert_normalized_ssa_equals(ssa, expected);
-    }
-
     #[test]
     fn does_not_remove_inc_or_dec_rc_of_if_they_are_loaded_from_a_reference() {
         let src = "

test_programs/execution_success/reference_counts/src/main.nr

@@ -1,6 +1,6 @@
 fn main() {
     let mut array = [0, 1, 2];
-    assert_refcount(array, 1);
+    assert_refcount(array, 2);
 
     borrow(array, std::mem::array_refcount(array));
     borrow_mut(&mut array, std::mem::array_refcount(array));
@@ -13,13 +13,13 @@ fn borrow(array: [Field; 3], rc_before_call: u32) {
 }
 
 fn borrow_mut(array: &mut [Field; 3], rc_before_call: u32) {
-    assert_refcount(*array, rc_before_call + 0); // Issue! This should be rc_before_call + 1
+    assert_refcount(*array, rc_before_call + 1);
     array[0] = 5;
     println(array[0]);
 }
 
 fn copy_mut(mut array: [Field; 3], rc_before_call: u32) {
-    assert_refcount(array, rc_before_call + 0); // Issue! This should be rc_before_call + 1
+    assert_refcount(array, rc_before_call + 1);
     array[0] = 6;
     println(array[0]);
 }