Here: http://searchfox.org/mozilla-central/rev/b38dbd1378cea4ae83bbc8a834cdccd02bbc5347/accessible/base/Logging.cpp#117 Introduced by this commit: http://searchfox.org/mozilla-central/diff/158a12ab7262e092896e8446d60e36929cfacaa1/accessible/src/base/Logging.cpp#111 Looking at the hg history, it isn't clear to me that "[failed]" should be printed at all, it should probably be removed. I don't know this code so I am not sure, though.
[failed] should be removed
Created attachment 8784354 [details] [diff] [review] remove printf that was useless after bug 939049 ugh, silly regression to put in :(
Pushed by firstname.lastname@example.org: https://hg.mozilla.org/integration/mozilla-inbound/rev/b78eab191453 remove printf that was useless after bug 939049 r=smaug