Merge branch 'main' into c-recursion-limit

Author: markshannon

.github/workflows/build.yml

@@ -621,6 +621,7 @@ jobs:
     - build_wasi
     - build_windows
     - build_windows_msi
+    - cross-build-linux
     - test_hypothesis
     - build_asan
     - build_tsan

Doc/c-api/typeobj.rst

@@ -1830,7 +1830,7 @@ and :c:data:`PyType_Type` effectively act as defaults.)
    dictionary, so it is may be more efficient to call :c:func:`PyObject_GetAttr`
    when accessing an attribute on the object.
 
-   It is an error to set both the :c:macro:`Py_TPFLAGS_MANAGED_WEAKREF` bit and
+   It is an error to set both the :c:macro:`Py_TPFLAGS_MANAGED_DICT` bit and
    :c:member:`~PyTypeObject.tp_dictoffset`.
 
    **Inheritance:**

Doc/library/traceback.rst

@@ -257,6 +257,11 @@ Module-Level Functions
 
    .. versionadded:: 3.5
 
+   .. versionchanged:: 3.14
+      This function previously returned a generator that would walk the stack
+      when first iterated over. The generator returned now is the state of the
+      stack when ``walk_stack`` is called.
+
 .. function:: walk_tb(tb)
 
    Walk a traceback following :attr:`~traceback.tb_next` yielding the frame and

Doc/using/configure.rst

@@ -575,6 +575,9 @@ also be used to improve performance.
    .. versionchanged:: 3.12
       Use ThinLTO as the default optimization policy on Clang if the compiler accepts the flag.
 
+   .. versionchanged:: next
+      Revert to using full LTO as the default optimization policy on Clang.
+
 .. option:: --enable-bolt
 
    Enable usage of the `BOLT post-link binary optimizer

Doc/whatsnew/3.14.rst

@@ -165,7 +165,7 @@ Improved error messages
   error message prints the received number of values in more cases than before.
   (Contributed by Tushar Sadhwani in :gh:`122239`.)
 
-  .. code-block:: pycon
+  .. code-block:: python
 
      >>> x, y, z = 1, 2, 3, 4
      Traceback (most recent call last):
@@ -175,6 +175,17 @@ Improved error messages
      ValueError: too many values to unpack (expected 3, got 4)
 
 
+* When incorrectly closed strings are detected, the error message suggests
+  that the string may be intended to be part of the string. (Contributed by
+  Pablo Galindo in :gh:`88535`.)
+
+  .. code-block:: python
+
+    >>> "The interesting object "The important object" is very important"
+    Traceback (most recent call last):
+    SyntaxError: invalid syntax. Is this intended to be part of the string?
+
+
 .. _whatsnew314-pep741:
 
 PEP 741: Python Configuration C API
@@ -1268,6 +1279,10 @@ Build changes
 * GNU Autoconf 2.72 is now required to generate :file:`configure`.
   (Contributed by Erlend Aasland in :gh:`115765`.)
 
+* CPython now uses Full LTO as the default link time optimization policy
+  on Clang. This reverts an earlier change in CPython 3.12.
+  (Contributed by Ken Jin in :gh:`130049`.)
+
 .. _whatsnew314-pep761:
 
 PEP 761: Discontinuation of PGP signatures

Grammar/python.gram

@@ -1178,6 +1178,9 @@ invalid_type_param:
         }
 
 invalid_expression:
+   |  STRING a=(!STRING expression_without_invalid)+ STRING {
+        RAISE_SYNTAX_ERROR_KNOWN_RANGE( PyPegen_first_item(a, expr_ty), PyPegen_last_item(a, expr_ty),
+        "invalid syntax. Is this intended to be part of the string?") }
     # !(NAME STRING) is not matched so we don't show this error with some invalid string prefixes like: kf"dsfsdf"
     # Soft keywords need to also be ignored because they can be parsed as NAME NAME
    | !(NAME STRING | SOFT_KEYWORD) a=disjunction b=expression_without_invalid {

Include/internal/pycore_ceval.h

@@ -274,7 +274,7 @@ PyAPI_FUNC(PyObject *) _PyEval_ImportName(PyThreadState *, _PyInterpreterFrame *
 PyAPI_FUNC(PyObject *)_PyEval_MatchClass(PyThreadState *tstate, PyObject *subject, PyObject *type, Py_ssize_t nargs, PyObject *kwargs);
 PyAPI_FUNC(PyObject *)_PyEval_MatchKeys(PyThreadState *tstate, PyObject *map, PyObject *keys);
 PyAPI_FUNC(void) _PyEval_MonitorRaise(PyThreadState *tstate, _PyInterpreterFrame *frame, _Py_CODEUNIT *instr);
-PyAPI_FUNC(int) _PyEval_UnpackIterableStackRef(PyThreadState *tstate, _PyStackRef v, int argcnt, int argcntafter, _PyStackRef *sp);
+PyAPI_FUNC(int) _PyEval_UnpackIterableStackRef(PyThreadState *tstate, PyObject *v, int argcnt, int argcntafter, _PyStackRef *sp);
 PyAPI_FUNC(void) _PyEval_FrameClearAndPop(PyThreadState *tstate, _PyInterpreterFrame *frame);
 PyAPI_FUNC(PyObject **) _PyObjectArray_FromStackRefArray(_PyStackRef *input, Py_ssize_t nargs, PyObject **scratch);