python312Packages.tree-sitter: patch segfaulting code, enable tests

pkgs/development/python-modules/tree-sitter/default.nix

@@ -28,6 +28,11 @@ buildPythonPackage rec {
     fetchSubmodules = true;
   };
 
+  # see https://github.com/tree-sitter/py-tree-sitter/issues/330#issuecomment-2629403946
+  patches = lib.optionals (stdenv.hostPlatform.isAarch64 && stdenv.hostPlatform.isLinux) [
+    ./segfault-patch.diff
+  ];
+
   build-system = [ setuptools ];
 
   nativeCheckInputs = [
@@ -51,14 +56,11 @@ buildPythonPackage rec {
     "test_dot_graphs"
   ];
 
-  # Segfaults explosively for some reason, but dependents seem to work?
+  meta = {
-  doCheck = !stdenv.hostPlatform.isAarch64;
-
-  meta = with lib; {
     description = "Python bindings to the Tree-sitter parsing library";
     homepage = "https://github.com/tree-sitter/py-tree-sitter";
     changelog = "https://github.com/tree-sitter/py-tree-sitter/releases/tag/${src.tag}";
-    license = licenses.mit;
+    license = lib.licenses.mit;
-    maintainers = with maintainers; [ fab ];
+    maintainers = with lib.maintainers; [ fab ];
   };
 }

pkgs/development/python-modules/tree-sitter/segfault-patch.diff

@@ -0,0 +1,13 @@
+--- i/tree_sitter/core/lib/src/parser.c
++++ w/tree_sitter/core/lib/src/parser.c
+@@ -2084,6 +2084,10 @@ void ts_parser_reset(TSParser *self) {
+   self->parse_state = (TSParseState) {0};
+ }
+ 
++// FIXME: see tree-sitter/py-tree-sitter#330
++#if __GNUC__ >= 14 && defined(__aarch64__) && defined(__OPTIMIZE__) && !defined(__OPTIMIZE_SIZE__)
++__attribute__((optimize(2)))
++#endif
+ TSTree *ts_parser_parse(
+   TSParser *self,
+   const TSTree *old_tree,