Skip a test that causes the harness to hang in debug mode....

webkit/tools/layout_tests/test_lists/win/tests_fixable.txt

Index: webkit/tools/layout_tests/test_lists/win/tests_fixable.txt
===================================================================
--- webkit/tools/layout_tests/test_lists/win/tests_fixable.txt	(revision 5205)
+++ webkit/tools/layout_tests/test_lists/win/tests_fixable.txt	(working copy)
@@ -155,7 +155,6 @@
 V8 # LayoutTests/http/tests/misc/acid2.html = PASS
 V8 # LayoutTests/http/tests/misc/isindex-formdata.html = PASS
 V8 # LayoutTests/http/tests/misc/object-image-error-with-onload.html = PASS
-V8 # LayoutTests/http/tests/misc/onload-remove-iframe-crash-2.html = PASS
 V8 # LayoutTests/http/tests/misc/post-submit-button.html = PASS
 V8 # LayoutTests/http/tests/misc/redirect-to-about-blank.html = PASS
 V8 # LayoutTests/http/tests/misc/window-dot-stop.html = PASS
@@ -1054,7 +1053,10 @@
 V8 # LayoutTests/fast/backgrounds/svg-as-background-6.html = PASS | FAIL
 
 // Post-merge Debug only Crashes
-V8 # LayoutTests/http/tests/misc/onload-remove-iframe-crash-2.html = CRASH | PASS
+// This test also produces an unending stream of blank lines on stderr,
+// which makes it hang the test harness.
+V8 # SKIP : LayoutTests/http/tests/misc/onload-remove-iframe-crash-2.html = CRASH | PASS
+
 // One of these svg tests sometimes crash in debug mode.  It seems to only
 // happen when all the dynamic-updates tests are run together.
 V8 # LayoutTests/svg/dynamic-updates/SVGForeignObjectElement-dom-x-attr.html = CRASH | PASS