This is a regression from bug 1218032. There are 3 new verbose warnings, details below. > 1905 [NNNNN] WARNING: '!mFirst', file dom/base/nsContentIterator.cpp, line 488 This warning [1] shows up in the following test suites: > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-4-bm51-tests1-linux64-build10.txt:1553 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-2-bm121-tests1-linux64-build4.txt:60 > mozilla-central_ubuntu64_vm-debug_test-web-platform-tests-e10s-7-bm114-tests1-linux64-build4.txt:58 > mozilla-central_ubuntu64_vm-debug_test-web-platform-tests-7-bm121-tests1-linux64-build13.txt:58 > mozilla-central_ubuntu64_vm-debug_test-mochitest-2-bm121-tests1-linux64-build1.txt:58 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-1-bm117-tests1-linux64-build0.txt:45 > mozilla-central_ubuntu64_vm-debug_test-mochitest-other-bm67-tests1-linux64-build9.txt:34 > mozilla-central_ubuntu64_vm-debug_test-crashtest-e10s-bm51-tests1-linux64-build22.txt:17 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-5-bm67-tests1-linux64-build10.txt:11 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-browser-chrome-6-bm114-tests1-linux64-build12.txt:9 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-browser-chrome-7-bm117-tests1-linux64-build9.txt:2 It shows up in 34 tests. A few of the most prevalent: > 1406 - editor/libeditor/tests/test_bug772796.html > 116 - /selection/addRange.html > 116 - dom/imptests/editing/selecttest/test_addRange.html > 45 - docshell/test/navigation/test_bug386782.html > 31 - toolkit/content/tests/chrome/test_bug360437.xul > 21 - editor/libeditor/tests/test_bug478725.html > 20 - editor/libeditor/tests/test_bug611182.html > 17 - editor/libeditor/tests/test_bug487524.html > 15 - editor/libeditor/tests/test_bug570144.html > 13 - editor/libeditor/tests/test_bug525389.html > 1868 [NNNNN] WARNING: '!NodeIsInTraversalRange(mFirst, mPre, startNode, startIndx, endNode, endIndx)', file dom/base/nsContentIterator.cpp, line 409 This warning [2] shows up in the following test suites: > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-4-bm51-tests1-linux64-build10.txt:1550 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-2-bm121-tests1-linux64-build4.txt:60 > mozilla-central_ubuntu64_vm-debug_test-web-platform-tests-e10s-7-bm114-tests1-linux64-build4.txt:58 > mozilla-central_ubuntu64_vm-debug_test-web-platform-tests-7-bm121-tests1-linux64-build13.txt:58 > mozilla-central_ubuntu64_vm-debug_test-mochitest-2-bm121-tests1-linux64-build1.txt:58 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-1-bm117-tests1-linux64-build0.txt:45 > mozilla-central_ubuntu64_vm-debug_test-crashtest-e10s-bm51-tests1-linux64-build22.txt:17 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-5-bm67-tests1-linux64-build10.txt:11 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-browser-chrome-6-bm114-tests1-linux64-build12.txt:9 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-browser-chrome-7-bm117-tests1-linux64-build9.txt:2 It shows up in 32 tests. A few of the most prevalent: > 1406 - editor/libeditor/tests/test_bug772796.html > 116 - /selection/addRange.html > 116 - dom/imptests/editing/selecttest/test_addRange.html > 45 - docshell/test/navigation/test_bug386782.html > 21 - editor/libeditor/tests/test_bug478725.html > 20 - editor/libeditor/tests/test_bug611182.html > 17 - editor/libeditor/tests/test_bug487524.html > 15 - editor/libeditor/tests/test_bug570144.html > 13 - editor/libeditor/tests/test_bug525389.html > 12 - editor/libeditor/tests/test_bug414526.html > 1635 [NNNNN] WARNING: '!NodeIsInTraversalRange(mLast, mPre, startNode, startIndx, endNode, endIndx)', file dom/base/nsContentIterator.cpp, line 453 This warning [3] shows up in the following test suites: > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-4-bm51-tests1-linux64-build10.txt:1549 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-1-bm117-tests1-linux64-build0.txt:45 > mozilla-central_ubuntu64_vm-debug_test-crashtest-e10s-bm51-tests1-linux64-build22.txt:17 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-5-bm67-tests1-linux64-build10.txt:11 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-browser-chrome-6-bm114-tests1-linux64-build12.txt:9 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-browser-chrome-7-bm117-tests1-linux64-build9.txt:2 > mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-2-bm121-tests1-linux64-build4.txt:2 It shows up in 29 tests. A few of the most prevalent: > 1406 - editor/libeditor/tests/test_bug772796.html > 45 - docshell/test/navigation/test_bug386782.html > 21 - editor/libeditor/tests/test_bug478725.html > 20 - editor/libeditor/tests/test_bug611182.html > 17 - editor/libeditor/tests/test_bug487524.html > 15 - editor/libeditor/tests/test_bug570144.html > 13 - editor/libeditor/tests/test_bug525389.html > 12 - editor/libeditor/tests/test_bug414526.html > 11 - layout/generic/test/test_movement_by_characters.html > 9 - editor/libeditor/tests/test_bug832025.html [1] https://hg.mozilla.org/mozilla-central/annotate/cfb5851c96ea/dom/base/nsContentIterator.cpp#l488 [2] https://hg.mozilla.org/mozilla-central/annotate/cfb5851c96ea/dom/base/nsContentIterator.cpp#l409 [3] https://hg.mozilla.org/mozilla-central/annotate/cfb5851c96ea/dom/base/nsContentIterator.cpp#l453

https://hg.mozilla.org/integration/mozilla-inbound/rev/23599e1b42e185d0b15a4bf8f3bb18947abffc54 Bug 1230660 - Remove verbose warnings emitted from nsContentIterator. r=smaug