backport 81X external to 80X gcc493

[smuzaffar]

Part of changes which went in to 80X gcc530 ( #2496 ) are included here for gcc493

[smuzaffar]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/cmsdist-test-pr/337/console

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for branch IB/CMSSW_8_0_X/stable.

@cmsbuild, @smuzaffar, @Degano, @iahmad-khan, @davidlange6 can you please review it and eventually sign? Thanks.
You can sign-off by replying to this message having '+1' in the first line of your reply.
You can reject by replying to this message having '-1' in the first line of your reply.

[cmsbuild]

-1

Tested at: f788be5

You can see the results of the tests here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-2510/337/summary.html

I found follow errors while testing this PR

Failed tests: Build

• Build:

I found an error when building:

>> Compiling  /build/cmsbuild/jenkins-workarea/workspace/cmsdist-test-pr/CMSSW_8_0_X_2016-09-11-0000/src/HLTrigger/Timer/test/analyzeTiming.cpp 
>> Compiling LCG dictionary: tmp/slc6_amd64_gcc493/src/IORawData/HcalTBInputService/src/IORawDataHcalTBInputService/a/IORawDataHcalTBInputService_xr.cc
>> Compiling  /build/cmsbuild/jenkins-workarea/workspace/cmsdist-test-pr/CMSSW_8_0_X_2016-09-11-0000/src/IORawData/HcalTBInputService/src/CDFChunk.cc 
>> Compiling  /build/cmsbuild/jenkins-workarea/workspace/cmsdist-test-pr/CMSSW_8_0_X_2016-09-11-0000/src/IORawData/HcalTBInputService/src/CDFEventInfo.cc 
/build/cmsbuild/jenkins-workarea/workspace/cmsdist-test-pr/CMSSW_8_0_X_2016-09-11-0000/src/Utilities/StaticAnalyzers/src/ClassChecker.cpp: In member function 'void clangcms::WalkAST::CheckCXXOperatorCallExpr(const clang::CXXOperatorCallExpr_, const clang::MemberExpr_)':
/build/cmsbuild/jenkins-workarea/workspace/cmsdist-test-pr/CMSSW_8_0_X_2016-09-11-0000/src/Utilities/StaticAnalyzers/src/ClassChecker.cpp:221:95: error: request for member 'IgnoreParenImpCasts' in '_((llvm::iterator_facade_base_)(& OCE->clang::CXXOperatorCallExpr::.clang::CallExpr::arg_begin()))->llvm::iterator_facade_base::operator->()', which is of pointer type 'const clang::Expr\* const' (maybe you meant to use '->' ?)
      if (const clang::MemberExpr \* ME = dyn_cast_or_nullclang::MemberExpr(OCE->arg_begin()->IgnoreParenImpCasts())){
                                                                                               ^
>> Compiling  /build/cmsbuild/jenkins-workarea/workspace/cmsdist-test-pr/CMSSW_8_0_X_2016-09-11-0000/src/IORawData/HcalTBInputService/src/CDFRunInfo.cc 
>> Compiling  /build/cmsbuild/jenkins-workarea/workspace/cmsdist-test-pr/CMSSW_8_0_X_2016-09-11-0000/src/L1Trigger/TextToDigi/test/testSourceCardRouting.cpp 
>> Compiling  /build/cmsbuild/jenkins-workarea/workspace/cmsdist-test-pr/CMSSW_8_0_X_2016-09-11-0000/src/DQMServices/Diagnostic/bin/MakeDeanHTML.cc