PPC, 10.5.8, when using r55027+. If I try to open the Web Inspector with Command-Option-I or Inspect Element, the first time nothing happens and the second time the pane opens and is completely blank.
Created attachment 49231 [details] Screenshot Screenshot
*** Bug 35237 has been marked as a duplicate of this bug. ***
Per bug 35253, Yahoo Mail got broken on PowerPC in the same timeframe.
<rdar://problem/7680864>
This is probably fallout from my getter caching change. Looking into it now.
Okay the problem is that something is going wrong when performing the call to a cached getter from the prototype chain. Unsure of exactly what is going wrong, by code inspection it would appear to be correct, but we seem to be picking up the wrong this object :-/
Created attachment 49354 [details] Patch
Comment on attachment 49354 [details] Patch r=me
Committed r55181