test-regex failing on matching depth limit

The test suite is failing here in 5.3.2 and current git master:

24/25 test-regex                        FAIL            0.29s   killed by signal 6 SIGABRT
>>> MALLOC_PERTURB_=234 G_TEST_SRCDIR=/home/leio/Projects/gtksourceview/testsuite GSETTINGS_BACKEND=memory NO_AT_BRIDGE=1 G_TEST_BUILDDIR=/home/leio/Projects/gtksourceview/build/testsuite G_DEBUG=gc-friendly MALLOC_CHECK_=2 /home/leio/Projects/gtksourceview/build/testsuite/test-regex

24/25 test-regex                FAIL            0.29s   killed by signal 6 SIGABRT
17:19:22 MALLOC_PERTURB_=234 G_TEST_SRCDIR=/home/leio/Projects/gtksourceview/testsuite GSETTINGS_BACKEND=memory NO_AT_BRIDGE=1 G_TEST_BUILDDIR=/home/leio/Projects/gtksourceview/build/testsuite G_DEBUG=gc-friendly MALLOC_CHECK_=2 /home/leio/Projects/gtksourceview/build/testsuite/test-regex
----------------------------------- output -----------------------------------
stdout:
# random seed: R02S3cc4a3ed310f3ee59601609516cb9cb3
# GLib-GIO-DEBUG: _g_io_module_get_default: Found default implementation memory (GMemorySettingsBackend) for ‘gsettings-backend’
1..3
# Start of Regex tests
ok 1 /Regex/slash-c
ok 2 /Regex/compare-g-regex
Bail out! GtkSourceView:ERROR:../testsuite/test-regex.c:229:test_issue_198: assertion failed (error == NULL): matching depth limit exceeded (g-regex-error-quark, 3)
stderr:
**
GtkSourceView:ERROR:../testsuite/test-regex.c:229:test_issue_198: assertion failed (error == NULL): matching depth limit exceeded (g-regex-error-quark, 3)