Added/Updated tests\bugs\gh_7832_test.py: Checked on 6.0.0.107, 5.0.0.1264 -- all fine.

tests/bugs/gh_7832_test.py

@@ -0,0 +1,43 @@
+#coding:utf-8
+
+"""
+ID:          issue-7832
+ISSUE:       https://github.com/FirebirdSQL/firebird/issues/7832
+TITLE:       Firebird 5 and 6 crash on "... RETURNING * " without INTO in PSQL
+DESCRIPTION:
+NOTES:
+    [10.11.2023] pzotov
+    Confirmed crash on 6.0.0.104, 5.0.0.1259
+    Checked on 6.0.0.107, 5.0.0.1264 -- all fine.
+"""
+
+import pytest
+from firebird.qa import *
+
+db = db_factory()
+
+test_script = """
+    set term ^;
+    recreate table ttt (id int)^
+    execute block
+    as
+    begin
+        delete from ttt returning *;
+    end^
+    set term ;^
+"""
+expected_stdout = """
+    Statement failed, SQLSTATE = 42000
+    Dynamic SQL Error
+    -SQL error code = -104
+    -Unexpected end of command -
+"""
+
+substitutions = [('line(:)? \\d+, col(umn)?(:)? \\d+', '')]
+act = isql_act('db', test_script, substitutions = substitutions)
+
+@pytest.mark.version('>=5.0')
+def test_1(act: Action):
+    act.expected_stdout = expected_stdout
+    act.execute(combine_output = True)
+    assert act.clean_stdout == act.clean_expected_stdout