gui: crash when running console commands during startup #16119

1. 
   fanquake commented at 2:22 pm on May 29, 2019: member

   Using master. During startup, if you open Window -> Console and try and execute any command (can be garbage) bitcoin-qt will crash:

    0On branch pull/16118/local-merge
    1
    2Process 89287 launched: '/Users/michael/github/bitcoin/src/qt/bitcoin-qt' (x86_64)
    32019-05-29 09:57:56.276746-0400 bitcoin-qt[89287:939924] MessageTracer: Falling back to default whitelist
    4Process 89287 stopped
    5* thread [#1](/bitcoin-bitcoin/1/), name = 'bitcoin-main', queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x8)
    6    frame [#0](/bitcoin-bitcoin/0/): 0x00000001015158ba QtWidgets`QCompleter::popup() const + 10
    7QtWidgets`QCompleter::popup:
    8->  0x1015158ba <+10>: movq   0x8(%rdi), %rbx
    9    0x1015158be <+14>: movq   0x88(%rbx), %rax
   10    0x1015158c5 <+21>: testq  %rax, %rax
   11    0x1015158c8 <+24>: jne    0x101515942               ; <+146>
   12Target 0: (bitcoin-qt) stopped.
   

   Not sure if just disabling the menu, like in #16118 would be ok, as a user might actually want to be able to run a command.

2. fanquake added the label GUI on May 29, 2019
3. laanwj closed this on Jun 3, 2019

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4. laanwj referenced this in commit c3723c80da on Jun 3, 2019
5. PastaPastaPasta referenced this in commit a1f23d077e on Jun 27, 2021
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8. PastaPastaPasta referenced this in commit 85009507d7 on Jul 1, 2021
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11. MarcoFalke locked this on Dec 16, 2021
12. gades referenced this in commit 4687711d5e on May 9, 2022

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fanquake

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