phase29aa: RcPlan + guard no cleanup on jump/branch

src/bin/rc_insertion_selfcheck.rs

@@ -131,7 +131,7 @@ fn main() {
         "return_cleanup",
     );
 
-    // Case 4: Branch terminator should NOT inject block-end cleanup (unsafe cross-block)
+    // Case 4: Jump terminator should NOT inject block-end cleanup (unsafe cross-block)
     let ptr = ValueId::new(400);
     let v1 = ValueId::new(30);
 
@@ -144,7 +144,33 @@ fn main() {
     });
     block.terminator_span = Some(Span::unknown());
     let entry = block.id;
-    let module = build_module_with_block(block, "selfcheck_branch_skip", "selfcheck_mod4");
+    let module = build_module_with_block(block, "selfcheck_jump_skip", "selfcheck_mod4");
+    assert_release_inserted(
+        module,
+        "selfcheck_jump_skip",
+        entry,
+        0,
+        "jump_no_cleanup",
+    );
+
+    // Case 5: Branch terminator should NOT inject block-end cleanup (unsafe cross-block)
+    let ptr = ValueId::new(500);
+    let v1 = ValueId::new(40);
+    let cond = ValueId::new(41);
+
+    let mut block = BasicBlock::new(BasicBlockId::new(0));
+    block.instructions = vec![MirInstruction::Store { value: v1, ptr }];
+    block.instruction_spans = vec![Span::unknown()];
+    block.terminator = Some(MirInstruction::Branch {
+        condition: cond,
+        then_bb: BasicBlockId::new(1),
+        else_bb: BasicBlockId::new(2),
+        then_edge_args: None,
+        else_edge_args: None,
+    });
+    block.terminator_span = Some(Span::unknown());
+    let entry = block.id;
+    let module = build_module_with_block(block, "selfcheck_branch_skip", "selfcheck_mod5");
     assert_release_inserted(
         module,
         "selfcheck_branch_skip",