which is touched from multiple threads when doing formula groups. WARNING: ThreadSanitizer: data race (pid=837458) Write of size 2 at 0x7b5800031aa8 by thread T17: /media/disk2/libo-san/sc/source/core/data/table1.cxx:379:22 (libsclo.so+0x5b4f5d) /media/disk2/libo-san/sc/source/core/data/document.cxx:927:23 (libsclo.so+0x443220) ScFormulaCell::ScInterpretTailParameter) /media/disk2/libo-san/sc/source/core/data/formulacell.cxx:2266:23 (l ibsclo.so+0x550fc4) long, unsigned long, unsigned int, unsigned int) /media/disk2/libo-san/sc/source/core/data/colum n2.cxx:2998:15 (libsclo.so+0x375bb3) short, int, int, unsigned int, unsigned int) /media/disk2/libo-san/sc/source/core/data/table1.cx x:2555:24 (libsclo.so+0x5c095b) ScRange const&, unsigned int, unsigned int) /media/disk2/libo-san/sc/source/core/data/documen8.cxx:4 21:11 (libsclo.so+0x436cef) ScFormulaCell::InterpretFormulaGroupThreading(sc::FormulaLogger::GroupScope&, bool&, bool&, int, int)::Executor::doWork() /media/disk2/libo-san/sc/source/core/da ta/formulacell.cxx:4875:29 (libsclo.so+0x55e869) /media/disk2/libo-san/comphelper/source/misc/threadpool.cxx:314:9 (libcomphelper.so+0x1480ff) /media/disk2/libo-san/comphelper/source/misc/threadpool.cxx:83:24 (libcomphelper.so+0x1480ff) /media/disk2/libo-san/salhelper/source/thread.cxx:40:9 (libuno_salhelpergcc3.so.3+0x5350) /media/disk2/libo-san/salhelper/source/thread.cxx (libuno_salhelpergcc3.so.3+0x53b9) (libuno_salhelpergcc3.so.3+0x565e) /media/disk2/libo-san/sal/osl/unx/thread.cxx:264:9 (libuno_sal.so.3+0x68325) Previous read of size 2 at 0x7b5800031aa8 by thread T18: /media/disk2/libo-san/sc/inc/table.hxx:315:71 (libsclo.so+0x443175) /media/disk2/libo-san/sc/source/core/data/document.cxx:919:30 (libsclo.so+0x443175) ScFormulaCell::ScInterpretTailParameter) /media/disk2/libo-san/sc/source/core/data/formulacell.cxx:2182:48 (l ibsclo.so+0x550c03) long, unsigned long, unsigned int, unsigned int) /media/disk2/libo-san/sc/source/core/data/colum n2.cxx:2998:15 (libsclo.so+0x375bb3) short, int, int, unsigned int, unsigned int) /media/disk2/libo-san/sc/source/core/data/table1.cx x:2555:24 (libsclo.so+0x5c095b) ScRange const&, unsigned int, unsigned int) /media/disk2/libo-san/sc/source/core/data/documen8.cxx:4 21:11 (libsclo.so+0x436cef) ScFormulaCell::InterpretFormulaGroupThreading(sc::FormulaLogger::GroupScope&, bool&, bool&, int, int)::Executor::doWork() /media/disk2/libo-san/sc/source/core/da ta/formulacell.cxx:4875:29 (libsclo.so+0x55e869) /media/disk2/libo-san/comphelper/source/misc/threadpool.cxx:314:9 (libcomphelper.so+0x1480ff) Change-Id: Iae65982248a468e25eab8c8ecefb551a87d202d8 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/120060 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>