[PRISM] Fix param names for repeated splats

Author: kddnewton

.github/workflows/prism.yml

@@ -92,7 +92,7 @@ jobs:
         timeout-minutes: 40
         env:
           GNUMAKEFLAGS: ''
-          RUBY_TESTOPTS: '-q --tty=no --excludes-dir="../src/test/.excludes-prism" --exclude="error_highlight/test_error_highlight.rb" --exclude="prism/encoding_test.rb" --exclude="prism/locals_test.rb" --exclude="prism/newline_test.rb"'
+          RUBY_TESTOPTS: '-q --tty=no --excludes-dir="../src/test/.excludes-prism" --exclude="error_highlight/test_error_highlight.rb" --exclude="prism/encoding_test.rb" --exclude="prism/newline_test.rb"'
           RUN_OPTS: ${{ matrix.run_opts }}
 
       - name: make test-prism-spec

prism_compile.c

@@ -3559,17 +3559,22 @@ pm_compile_destructured_param_locals(const pm_multi_target_node_t *node, st_tabl
 
         if (rest->expression != NULL) {
             RUBY_ASSERT(PM_NODE_TYPE_P(rest->expression, PM_REQUIRED_PARAMETER_NODE));
-            pm_insert_local_index(((const pm_required_parameter_node_t *) rest->expression)->name, local_index, index_lookup_table, local_table_for_iseq, scope_node);
-            local_index++;
+
+            if (!PM_NODE_FLAG_P(rest->expression, PM_PARAMETER_FLAGS_REPEATED_PARAMETER)) {
+                pm_insert_local_index(((const pm_required_parameter_node_t *) rest->expression)->name, local_index, index_lookup_table, local_table_for_iseq, scope_node);
+                local_index++;
+            }
         }
     }
 
     for (size_t index = 0; index < node->rights.size; index++) {
         const pm_node_t *right = node->rights.nodes[index];
 
         if (PM_NODE_TYPE_P(right, PM_REQUIRED_PARAMETER_NODE)) {
-            pm_insert_local_index(((const pm_required_parameter_node_t *) right)->name, local_index, index_lookup_table, local_table_for_iseq, scope_node);
-            local_index++;
+            if (!PM_NODE_FLAG_P(right, PM_PARAMETER_FLAGS_REPEATED_PARAMETER)) {
+                pm_insert_local_index(((const pm_required_parameter_node_t *) right)->name, local_index, index_lookup_table, local_table_for_iseq, scope_node);
+                local_index++;
+            }
         }
         else {
             RUBY_ASSERT(PM_NODE_TYPE_P(right, PM_MULTI_TARGET_NODE));