ci: unblock release parity and current-main warnings

changelog.d/8841-release-parity-budget.md

@@ -1 +1 @@
-- Keep release-grade parity CI viable as the corpus grows by spreading it over twelve shards, adding timeout margin, and tracking the Linux Parcel watcher facade mismatch surfaced by the v0.5.1519 candidate.
+- Keep release-grade parity CI viable as the corpus grows by spreading it over twelve shards, adding timeout margin, and ratcheting the Linux Parcel watcher and HTTP Agent lifecycle gaps surfaced by the v0.5.1519 candidates.

changelog.d/8851-release-main-warnings.md

@@ -0,0 +1 @@
+- Restore warning-clean compiler builds after the packed-loop index-store lowering was split into its own module.

crates/perry-codegen/src/expr/index_set.rs

@@ -39,20 +39,17 @@ use crate::rooting;
 use crate::type_analysis::{is_array_expr, is_numeric_expr, is_string_expr, receiver_class_name};
 use crate::types::{DOUBLE, I32, I64};
 
-use super::index_set_packed_loop::{
-    lower_packed_f64_range_loop_index_set, lower_packed_numeric_loop_index_set,
-};
+use super::index_set_packed_loop::lower_packed_numeric_loop_index_set;
 use super::index_set_typed_array::lower_inline_dyn_typed_array_set;
 use super::{
-    array_kind_fact, array_store_needs_layout_note, array_store_needs_write_barrier,
+    array_store_needs_layout_note, array_store_needs_write_barrier,
     attach_buffer_view_pointer_state_for_expr, buffer_access_materialization_reason,
     emit_array_numeric_write_note_on_block, emit_jsvalue_slot_store_on_block,
     emit_root_nanbox_store_on_block, emit_typed_feedback_register_site, emit_write_barrier,
     expr_has_numeric_pointer_free_array_layout, int_range_expr, lower_buffer_store, lower_expr,
-    lower_expr_as_i32, lower_expr_native, lower_index_set_fast, lower_typed_array_store,
-    materialize_js_value, nanbox_pointer_inline, raw_f64_layout_fact, unbox_str_handle,
-    unbox_to_i64, BufferAccessSpec, FnCtx, PackedF64LoopFact, PackedNumericLoopKind,
-    TypedFeedbackContract, TypedFeedbackKind,
+    lower_expr_native, lower_index_set_fast, lower_typed_array_store, materialize_js_value,
+    nanbox_pointer_inline, raw_f64_layout_fact, unbox_str_handle, unbox_to_i64, BufferAccessSpec,
+    FnCtx, PackedF64LoopFact, PackedNumericLoopKind, TypedFeedbackContract, TypedFeedbackKind,
 };
 
 pub(super) fn canonicalize_raw_f64_numeric_store_value(

crates/perry-codegen/src/expr/index_set_packed_loop.rs

@@ -4,30 +4,18 @@
 //! Split out of `index_set.rs` to keep it under the 2,000-line file gate.
 
 use anyhow::Result;
-use perry_hir::{BinaryOp, Expr};
+use perry_hir::Expr;
 
-use crate::nanbox::{double_literal, POINTER_MASK_I64};
+use crate::nanbox::POINTER_MASK_I64;
 use crate::native_value::{
-    BoundsState, BufferAccessMode, ExpectedNativeRep, LoweredValue, MaterializationReason,
-    NativeRep, SemanticKind,
+    BoundsState, BufferAccessMode, LoweredValue, MaterializationReason, NativeRep, SemanticKind,
 };
-use crate::rooting;
-use crate::type_analysis::{is_array_expr, is_numeric_expr, is_string_expr, receiver_class_name};
 use crate::types::{DOUBLE, I32, I64};
 
 use super::index_set::{canonicalize_raw_f64_numeric_store_value, packed_f64_loop_fact};
-use super::index_set_typed_array::lower_inline_dyn_typed_array_set;
-use super::*;
 use super::{
-    array_kind_fact, array_store_needs_layout_note, array_store_needs_write_barrier,
-    attach_buffer_view_pointer_state_for_expr, buffer_access_materialization_reason,
-    emit_array_numeric_write_note_on_block, emit_jsvalue_slot_store_on_block,
-    emit_root_nanbox_store_on_block, emit_typed_feedback_register_site, emit_write_barrier,
-    expr_has_numeric_pointer_free_array_layout, int_range_expr, lower_buffer_store, lower_expr,
-    lower_expr_as_i32, lower_expr_native, lower_index_set_fast, lower_typed_array_store,
-    materialize_js_value, nanbox_pointer_inline, raw_f64_layout_fact, unbox_str_handle,
-    unbox_to_i64, BufferAccessSpec, FnCtx, PackedF64LoopFact, PackedNumericLoopKind,
-    TypedFeedbackContract, TypedFeedbackKind,
+    array_kind_fact, emit_typed_feedback_register_site, lower_expr, lower_expr_as_i32,
+    raw_f64_layout_fact, FnCtx, PackedNumericLoopKind, TypedFeedbackContract, TypedFeedbackKind,
 };
 
 fn lower_packed_f64_loop_store_value(

test-parity/known_failures.json

@@ -430,6 +430,15 @@
       "linux"
     ]
   },
+  "test_issue_4975_http_agent_keep_alive_connection_options": {
+    "issue": "8841",
+    "added": "2026-08-26",
+    "category": "bug-open",
+    "reason": "Release run 32935157745: Node exits 0, while Perry prints the expected keepAlive and keepAliveInitialDelay values but does not terminate before the 10s harness deadline. Track the Agent/socket lifecycle gap after server.close(); remove this entry with the fix tracked in #8841.",
+    "platforms": [
+      "linux"
+    ]
+  },
   "test_issue_4977_gc_toplevel_locals": {
     "issue": "8271",
     "added": "2026-08-17",