compilation error in IB

[VinInn]

How this could ever be possible?

/home/innocent/SpeedVconv/CMSSW_12_0_X_2021-06-23-2300/src/DQM/TrackerRemapper/test/test_catch2_SiStripTkMaps.cc: In function 'void ____C_A_T_C_H____T_E_S_T____0()':
/home/innocent/SpeedVconv/CMSSW_12_0_X_2021-06-23-2300/src/DQM/TrackerRemapper/test/test_catch2_SiStripTkMaps.cc:29:30: error: comparison of integer expressions of different signedness: 'std::vector<unsigned int>::size_type' {aka 'long unsigned int'} and 'int' [-Werror=sign-compare]
   29 |     REQUIRE(filledIds.size() == count);
      |             ~~~~~~~~~~~~~~~~~^~~~~~~~
>> Compiling edm plugin /home/innocent/SpeedVconv/CMSSW_12_0_X_2021-06-23-2300/src/DQMOffline/CalibTracker/plugins/SiStripPopConNoisesDQM.cc
>> Compiling edm plugin /home/innocent/SpeedVconv/CMSSW_12_0_X_2021-06-23-2300/src/DQMOffline/CalibTracker/plugins/SiStripPopConPedestalsDQM.cc
cc1plus: some warnings being treated as errors
gmake: *** [config/SCRAM/GMake/Makefile.rules:1705: tmp/slc7_amd64_gcc900/src/DQM/TrackerRemapper/test/test_catch2_DQM_TRACKERREMAPPER/test_catch2_SiStripTkMaps.cc.o] Error 1
gmake: *** Waiting for unfinished jobs....
gmake: *** [There are compilation/build errors. Please see the detail log above.] Error 2

[cmsbuild]

A new Issue was created by @VinInn Vincenzo Innocente.

@Dr15Jones, @dpiparo, @silviodonato, @smuzaffar, @makortel, @qliphy can you please review it and eventually sign/assign? Thanks.

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[mmusich]

Already fixed at #34230.

[VinInn]

Noticed. My point is: how can be that a compilation error develop in an IB?

[mmusich]

It wasn't. The error started to appear after catch2 was updated, see cms-sw/cmsdist#7053 (comment)

[VinInn]

ok. very strange, I would not know how to reproduce that...