[llvm-bugs] [Bug 50773] New: ClangdTests.exe/TUSchedulerTests.ManyUpdates flaky on windows

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=50773

            Bug ID: 50773
           Summary: ClangdTests.exe/TUSchedulerTests.ManyUpdates flaky on
                    windows
           Product: clang-tools-extra
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: clangd
          Assignee: unassignedclangbugs at nondot.org
          Reporter: nicolasweber at gmx.de
                CC: llvm-bugs at lists.llvm.org

https://lab.llvm.org/buildbot/#/builders/123/builds/4487/steps/12/logs/stdio :

Reusing preamble version 0 for version 5 of C:\clangd-test\foo2.cpp
Assertion failed: Requests.empty() && "No new normal tasks can be scheduled
concurrently with " "blockUntilIdle(): ASTWorker isn't threadsafe", file
C:\b\slave\clang-x64-windows-msvc\llvm-project\clang-tools-extra\clangd\TUScheduler.cpp,
line 1390
********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
********************
Failed Tests (1):
  Clangd Unit Tests :: ./ClangdTests.exe/TUSchedulerTests.ManyUpdates



Same on
https://lab.llvm.org/buildbot/#/builders/123/builds/4485/steps/12/logs/stdio

Same on
https://lab.llvm.org/buildbot/#/builders/123/builds/4481/steps/12/logs/stdio

Same on
https://lab.llvm.org/buildbot/#/builders/123/builds/4564/steps/12/logs/stdio


>From a random sample, it looks like the majority of failures on
https://lab.llvm.org/buildbot/#/builders/123 is due to this.

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