glyph-test.el

when i eval test/glyph-tests.el, after the part where it puts a progress-bar in the modeline, I get the following error. itimer "display-time" signaled: (malformed-list (#<extent [detached) 0x85bae54 from no buffer> . #<glyph (buffer) #<image-specifier global=(((x) . [progress-gauge :width 5 :pixel-height 16 ...]) ((tty) . [progress-gauge :width 5 :pixel-height 16 ...]) ((stream) . [progress-gauge :width 5 :pixel-height 16 ...])) fallback=((nil . [nothing])) 0x310a>0x3109>)) redhat, athena widgets, latest 21.2 cvs.