Fix exception handler target location in new parser (#21185)

Author: ilevkivskyi

mypy/nativeparse.py

@@ -280,6 +280,7 @@ def parse_to_binary_ast(
         platform=options.platform,
         always_true=options.always_true,
         always_false=options.always_false,
+        cache_version=1,
     )
     return (
         ast_bytes,
@@ -823,6 +824,7 @@ def read_try_stmt(state: State, data: ReadBuffer) -> TryStmt:
         if has_name:
             var_name = read_str(data)
             var_expr = NameExpr(var_name)
+            read_loc(data, var_expr)
             vars_list.append(var_expr)
         else:
             vars_list.append(None)

pyproject.toml

@@ -64,7 +64,7 @@ python2 = []
 reports = ["lxml"]
 install-types = ["pip"]
 faster-cache = ["orjson"]
-native-parser = ["ast-serialize>=0.1.1,<1.0.0"]
+native-parser = ["ast-serialize>=0.1.2,<1.0.0"]
 
 [project.urls]
 Homepage = "https://www.mypy-lang.org/"

test-data/unit/check-statements.test

@@ -851,9 +851,7 @@ def error_in_tuple_union(exc: Tuple[Union[Type[E1], Type[E2]], Union[Type[E3], i
         pass
 [builtins fixtures/tuple.pyi]
 
-[case testExceptWithMultipleTypes6_no_parallel]
-# For no_parallel, see:
-# https://github.com/mypyc/ast_serialize/issues/50
+[case testExceptWithMultipleTypes6]
 from typing import Never
 
 def random() -> bool: ...

test-requirements.in

@@ -13,4 +13,4 @@ pytest-cov>=2.10.0
 setuptools>=77.0.3
 tomli>=1.1.0  # needed even on py311+ so the self check passes with --python-version 3.10
 pre_commit>=3.5.0
-ast-serialize>=0.1.1,<1.0.0
+ast-serialize>=0.1.2,<1.0.0

test-requirements.txt

@@ -4,7 +4,7 @@
 #
 #    pip-compile --allow-unsafe --output-file=test-requirements.txt --strip-extras test-requirements.in
 #
-ast-serialize==0.1.1
+ast-serialize==0.1.2
     # via -r test-requirements.in
 attrs==25.4.0
     # via -r test-requirements.in