heap-buffer-overflow in token_stream_is_keyword
==14447==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60200000b631
READ of size 1 at 0x60200000b631 thread T0
SCARINESS: 12 (1-byte-read-heap-buffer-overflow)
#0 0x4610d0 in token_stream_is_keyword glib/glib/gvariant-parser.c:301:10
#1 0x45d006 in parse glib/glib/gvariant-parser.c:2295:12
#2 0x45c80d in g_variant_parse glib/glib/gvariant-parser.c:2383:14
1-byte test case: \x0a
.