fix: should ensure cache exist when incremental rebuild chunk graph (#9886)

fix: should ensure cache exist

Author: JSerFeng

crates/rspack_core/src/build_chunk_graph/new_code_splitter.rs

@@ -1766,7 +1766,13 @@ pub fn code_split(compilation: &mut Compilation) -> Result<()> {
 
   let module_graph: &ModuleGraph<'_> = &compilation.get_module_graph();
 
-  let mut splitter = if let Some(mutations) = mutations {
+  let mut splitter = if !compilation
+    .code_splitting_cache
+    .new_code_splitter
+    .module_ordinal
+    .is_empty()
+    && let Some(mutations) = mutations
+  {
     let mut affected = mutations.get_affected_modules_with_module_graph(module_graph);
     let removed = mutations.iter().filter_map(|mutation| match mutation {
       Mutation::ModuleRemove { module } => Some(*module),

packages/rspack-test-tools/tests/cacheCases/common/basic/rspack.config.js

@@ -4,6 +4,7 @@ module.exports = {
 	experiments: {
 		cache: {
 			type: "persistent"
-		}
+		},
+		incremental: true
 	}
 };