[0.17] qa: Backports #14084

1. 
   MarcoFalke commented at 5:46 PM on August 27, 2018: member

   Fixes to make the unit tests and bench pass with the thread sanitizer (beside the issue with fChecked #14058 (comment)).

   For testing: ./configure --with-sanitizers=undefined,thread && make -j 16 && ./src/test/test_bitcoin

2. Docs: Fix help message typo optiona -> optional

   Github-Pull: #14056
   Rebased-From: 7d0a8ad3103200145ab2e73368c3b8345a66c15d

   b5ec6d4bf8
3. qa: Stop txindex thread before calling destructor

   Github-Pull: #14071
   Rebased-From: faf4a9b674186923f8c837e3621d147f504c1944

   fab0fbefcf
4. Use assert when running from multithreaded code as BOOST_CHECK_* are not thread safe

   Github-Pull: #14069
   Rebased-From: 737670c036e802e0fd8b51efffb41131d08f0204

   cf3d7f94c2
5. MarcoFalke force-pushed on Aug 27, 2018
6. fanquake added the label Backport on Aug 27, 2018
7. fanquake added this to the milestone 0.17.0 on Aug 27, 2018
8. 
   laanwj commented at 9:52 AM on August 28, 2018: member

   utACK cf3d7f94c2efd15a9cb910ccee31505934d55641

9. laanwj merged this on Aug 28, 2018
10. laanwj closed this on Aug 28, 2018

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11. laanwj referenced this in commit 5f71eac634 on Aug 28, 2018
12. MarcoFalke deleted the branch on Aug 28, 2018
13. DrahtBot locked this on Sep 8, 2021

Milestone
0.17.0