[LLVM10] Fixing compilation warnings for ALCA/DB

[smuzaffar]

PR description:

LLVM 10 (in CLANG IBs) complains about object backing the pointer will be destroyed at the end of the full-expression. These changes are to avoid such warnings.

PR validation:

Local compilation for CLANG and normal IBs show no warnings.

[smuzaffar]

please test

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-29776/15233

• This PR adds an extra 16KB to repository

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/6180/console Started: 2020/05/08 14:47

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for master.

It involves the following packages:

CondFormats/PCLConfig
CondFormats/RPCObjects

@christopheralanwest, @tocheng, @cmsbuild, @tlampen, @ggovi, @pohsun can you please review it and eventually sign? Thanks.
@mmusich, @tocheng, @seemasharmafnal this is something you requested to watch as well.
@silviodonato, @dpiparo you are the release manager for this.

cms-bot commands are listed here

[smuzaffar]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/6184/console Started: 2020/05/08 15:43

[cmsbuild]

+1
Tested at: 1fb8fcb
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-e3bb0c/6184/summary.html
CMSSW: CMSSW_11_1_X_2020-05-08-1100
SCRAM_ARCH: slc7_amd64_gcc820

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-e3bb0c/6184/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 2 differences found in the comparisons
• DQMHistoTests: Total files compared: 34
• DQMHistoTests: Total histograms compared: 2697527
• DQMHistoTests: Total failures: 2
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2697206
• DQMHistoTests: Total skipped: 319
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 33 files compared)
• Checked 147 log files, 16 edm output root files, 34 DQM output files

[pohsun]

+1

[silviodonato]

merge
FYI @ggovi