D11811: avoid Asan runtime error: shift exponent -1 is negative

[Jaime Torres Amate]

jtamate created this revision.
jtamate added reviewers: Kate, Frameworks.
Restricted Application added projects: Kate, Frameworks.
jtamate requested review of this revision.

REVISION SUMMARY
  Avoid doing a 1<<-1.

TEST PLAN
  Before: frameworks/ktexteditor/src/completion/katecompletionconfig.cpp:195:33: runtime error: shift exponent -1 is negative
  after: silence

REPOSITORY
  R39 KTextEditor

REVISION DETAIL
  https://phabricator.kde.org/D11811

AFFECTED FILES
  src/completion/katecompletionconfig.cpp

To: jtamate, #kate, #frameworks
Cc: michaelh, kevinapavew, ngraham, demsking, cullmann, sars, dhaumann
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