fixup! pythongh-93351: Validate the position information when compili…

…ng AST nodes

Python/ast.c

@@ -30,7 +30,7 @@ static int validate_pattern(struct validator *, pattern_ty, int);
         return 0; \
     } \
     if ((node->lineno < 0 && node->end_lineno != node->lineno) || \
-        (node->col_offset < 0 &&  node->col_offset != node->end_col_offset)) { \
+        (node->col_offset < 0 && node->col_offset != node->end_col_offset)) { \
         PyErr_Format(PyExc_ValueError, \
                      "line %d-%d, column %d-%d is not a valid range", \
                      node->lineno, node->end_lineno, node->col_offset, node->end_col_offset); \
@@ -96,6 +96,7 @@ validate_args(struct validator *state, asdl_arg_seq *args)
     Py_ssize_t i;
     for (i = 0; i < asdl_seq_LEN(args); i++) {
         arg_ty arg = asdl_seq_GET(args, i);
+        VALIDATE_POSITIONS(arg);
         if (arg->annotation && !validate_expr(state, arg->annotation, Load))
             return 0;
     }
@@ -831,6 +832,7 @@ validate_stmt(struct validator *state, stmt_ty stmt)
         }
         for (i = 0; i < asdl_seq_LEN(stmt->v.Try.handlers); i++) {
             excepthandler_ty handler = asdl_seq_GET(stmt->v.Try.handlers, i);
+            VALIDATE_POSITIONS(handler);
             if ((handler->v.ExceptHandler.type &&
                  !validate_expr(state, handler->v.ExceptHandler.type, Load)) ||
                 !validate_body(state, handler->v.ExceptHandler.body, "ExceptHandler"))