Merge branch 'main' into jit/gc

Author: ashm-dev

Include/cpython/pystats.h

@@ -142,6 +142,7 @@ typedef struct _optimization_stats {
     uint64_t recursive_call;
     uint64_t low_confidence;
     uint64_t unknown_callee;
+    uint64_t trace_immediately_deopts;
     uint64_t executors_invalidated;
     UOpStats opcode[PYSTATS_MAX_UOP_ID + 1];
     uint64_t unsupported_opcode[256];

Lib/enum.py

@@ -774,12 +774,16 @@ def __delattr__(cls, attr):
         super().__delattr__(attr)
 
     def __dir__(cls):
+        if issubclass(cls, Flag):
+            members = list(cls._member_map_.keys())
+        else:
+            members = cls._member_names_
         interesting = set([
                 '__class__', '__contains__', '__doc__', '__getitem__',
                 '__iter__', '__len__', '__members__', '__module__',
                 '__name__', '__qualname__',
                 ]
-                + cls._member_names_
+                + members
                 )
         if cls._new_member_ is not object.__new__:
             interesting.add('__new__')

Lib/profiling/sampling/_heatmap_assets/heatmap_shared.js

@@ -38,3 +38,18 @@ function intensityToColor(intensity) {
     const rootStyle = getComputedStyle(document.documentElement);
     return rootStyle.getPropertyValue(`--heat-${level}`).trim();
 }
+
+// ============================================================================
+// Favicon (Reuse logo image as favicon)
+// ============================================================================
+
+(function() {
+    const logo = document.querySelector('.brand-logo img');
+    if (logo) {
+        const favicon = document.createElement('link');
+        favicon.rel = 'icon';
+        favicon.type = 'image/png';
+        favicon.href = logo.src;
+        document.head.appendChild(favicon);
+    }
+})();

Lib/test/test_enum.py

@@ -5529,12 +5529,16 @@ def test_enum_dict_standalone(self):
 # helpers
 
 def enum_dir(cls):
+    if issubclass(cls, Flag):
+        members = list(cls._member_map_.keys())
+    else:
+        members = cls._member_names_
     interesting = set([
             '__class__', '__contains__', '__doc__', '__getitem__',
             '__iter__', '__len__', '__members__', '__module__',
             '__name__', '__qualname__',
             ]
-            + cls._member_names_
+            + members
             )
     if cls._new_member_ is not object.__new__:
         interesting.add('__new__')

Lib/test/test_import/__init__.py

@@ -1253,6 +1253,20 @@ class Spec2:
                 origin = "a\x00b"
             _imp.create_dynamic(Spec2())
 
+    def test_create_builtin(self):
+        class Spec:
+            name = None
+        spec = Spec()
+
+        with self.assertRaisesRegex(TypeError, 'name must be string, not NoneType'):
+            _imp.create_builtin(spec)
+
+        spec.name = ""
+
+        # gh-142029
+        with self.assertRaisesRegex(ValueError, 'name must not be empty'):
+            _imp.create_builtin(spec)
+
     def test_filter_syntax_warnings_by_module(self):
         module_re = r'test\.test_import\.data\.syntax_warnings\z'
         unload('test.test_import.data.syntax_warnings')

Misc/NEWS.d/next/Build/2025-12-09-14-23-51.gh-issue-131372.2TAEyz.rst

@@ -0,0 +1,2 @@
+Add ``LDVERSION`` and ``EXE`` to the ``base_interpreter`` value of
+``build-details.json``.

Misc/NEWS.d/next/Core_and_Builtins/2025-07-22-16-20-06.gh-issue-137007.1oPvvK.rst

@@ -0,0 +1 @@
+Fix a bug during JIT compilation failure which caused garbage collection debug assertions to fail.

Misc/NEWS.d/next/Core_and_Builtins/2025-11-26-20-01-07.gh-issue-141976.K8NDmR.rst

@@ -0,0 +1 @@
+Protect against specialization failures in the tracing JIT compiler for performance reasons.

Misc/NEWS.d/next/Core_and_Builtins/2025-11-28-16-45-07.gh-issue-142029.JuXiKu.rst

@@ -0,0 +1,2 @@
+Raise :exc:`ValueError` instead of crashing when empty string is used as a name
+in ``_imp.create_builtin()``.

Misc/NEWS.d/next/Core_and_Builtins/2025-12-05-17-24-34.gh-issue-142305.ybXvtr.rst

@@ -0,0 +1 @@
+Decrease the size of the generated stencils and the runtime JIT code. Patch by Diego Russo.