<b>Version: <Kenneth, what is the frequency?></b>
OS: Fedora 25 beta

What steps will reproduce the problem?
(1) build a debug version of Chrome
(2) try running it

What is the expected output?
Chrome starts

What do you see instead?
/usr/lib/gcc/x86_64-redhat-linux/6.2.1/../../../../include/c++/6.2.1/bits/stl_heap.h:503:
Error: comparison doesn't meet irreflexive requirements, assert(!(a < a)).

Objects involved in the operation:
    instance "functor" @ 0x0x7ffe7aef3708 {
    }
    iterator::value_type "ordered type" {
    }
Received signal 6
#0 0x7f6092c527ee base::debug::StackTrace::StackTrace()
#1 0x7f6092c5232f base::debug::(anonymous namespace)::StackDumpSignalHandler()
#2 0x7f60930ab5c0 <unknown>
#3 0x7f608002c92f __GI_raise
#4 0x7f608002e52a __GI_abort
#5 0x7f6080475753 __gnu_debug::_Error_formatter::_M_error()
#6 0x7f6083c82c01 std::is_heap_until<>()
#7 0x7f6083c82a65 std::is_heap<>()
#8 0x7f6083c82980 blink::scheduler::IntrusiveHeap<>::FillHole()
#9 0x7f6083c82178 blink::scheduler::IntrusiveHeap<>::MoveHoleUpAndFillWithElement()
#10 0x7f6083c7fe7d blink::scheduler::IntrusiveHeap<>::insert()
#11 0x7f6083c7e8fc blink::scheduler::TimeDomain::ScheduleDelayedWork()
#12 0x7f6083c54daa blink::scheduler::internal::TaskQueueImpl::PushOntoDelayedIncomingQueueFromMainThread()
#13 0x7f6083c54873 blink::scheduler::internal::TaskQueueImpl::PostDelayedTaskImpl()
#14 0x7f6083c54566 blink::scheduler::internal::TaskQueueImpl::PostDelayedTask()
#15 0x7f608bb3812a content::ChildThreadImpl::Init()
#16 0x7f608bb3893b content::ChildThreadImpl::ChildThreadImpl()
#17 0x7f608d7ee691 content::RenderThreadImpl::RenderThreadImpl()
#18 0x7f608d7ee58e content::RenderThreadImpl::Create()
#19 0x7f608d878a9c content::RendererMain()
#20 0x7f608dc43965 content::RunZygote()
#21 0x7f608dc43e40 content::RunNamedProcessTypeMain()
#22 0x7f608dc45df2 content::ContentMainRunnerImpl::Run()
#23 0x7f608dc430c2 content::ContentMain()
#24 0x5652a3a9a8ab ChromeMain
#25 0x5652a3a9a842 main
#26 0x7f6080017401 __libc_start_main
#27 0x5652a3a9a71a _start
  r8: 0000000000000000  r9: 00007ffe7aef3320 r10: 0000000000000008 r11: 0000000000000246
 r12: 00007f6084557b48 r13: 00007ffe7aef3570 r14: 00007f6084557b90 r15: 00007ffe7aef3610
  di: 0000000000000002  si: 00007ffe7aef3320  bp: 0000000000000002  bx: 00007f6084557bd0
  dx: 0000000000000000  ax: 0000000000000000  cx: 00007f608002c92f  sp: 00007ffe7aef3398
  ip: 00007f608002c92f efl: 0000000000000246 cgf: 002b000000000033 erf: 0000000000000000
 trp: 0000000000000000 msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]


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I'll submit a patch.