core: fix stack test when SCHED_TEST_STACK=1 but DEVELHELP=0
core: fix stack test when SCHED_TEST_STACK=1 but DEVELHELP=0

lebrush/RIOT,miri64/RIOT,ks156/RIOT,d00616/RIOT,wentaoshang/RIOT,attdona/RIOT,katezilla/RIOT,jbeyerstedt/RIOT-OTA-update,MohmadAyman/RIOT,binarylemon/RIOT,immesys/RiSyn,mfrey/RIOT,Hyungsin/RIOT-OS,hamilton-mote/RIOT-OS,RIOT-OS/RIOT,kb2ma/RIOT,shady33/RIOT,RubikonAlpha/RIOT,TobiasFredersdorf/RIOT,l3nko/RIOT,altairpearl/RIOT,binarylemon/RIOT,OlegHahm/RIOT,plushvoxel/RIOT,beurdouche/RIOT,dkm/RIOT,jasonatran/RIOT,shady33/RIOT,A-Paul/RIOT,dailab/RIOT,lazytech-org/RIOT,aeneby/RIOT,altairpearl/RIOT,syin2/RIOT,asanka-code/RIOT,rfuentess/RIOT,thomaseichinger/RIOT,LudwigOrtmann/RIOT,d00616/RIOT,toonst/RIOT,Hyungsin/RIOT-OS,ant9000/RIOT,immesys/RiSyn,x3ro/RIOT,gebart/RIOT,brettswann/RIOT,neumodisch/RIOT,roberthartung/RIOT,asanka-code/RIOT,aeneby/RIOT,lazytech-org/RIOT,adjih/RIOT,josephnoir/RIOT,backenklee/RIOT,ks156/RIOT,LudwigKnuepfer/RIOT,alignan/RIOT,thomaseichinger/RIOT,BytesGalore/RIOT,smlng/RIOT,brettswann/RIOT,neumodisch/RIOT,rfuentess/RIOT,RBartz/RIOT,mtausig/RIOT,syin2/RIOT,rajma996/RIOT,jremmert-phytec-iot/RIOT,authmillenon/RIOT,backenklee/RIOT,authmillenon/RIOT,malosek/RIOT,jasonatran/RIOT,l3nko/RIOT,A-Paul/RIOT,dkm/RIOT,jremmert-phytec-iot/RIOT,RubikonAlpha/RIOT,binarylemon/RIOT,tfar/RIOT,FrancescoErmini/RIOT,avmelnikoff/RIOT,kYc0o/RIOT,OTAkeys/RIOT,A-Paul/RIOT,toonst/RIOT,gautric/RIOT,rajma996/RIOT,dkm/RIOT,shady33/RIOT,TobiasFredersdorf/RIOT,Josar/RIOT,jfischer-phytec-iot/RIOT,brettswann/RIOT,MohmadAyman/RIOT,x3ro/RIOT,rousselk/RIOT,beurdouche/RIOT,wentaoshang/RIOT,jfischer-phytec-iot/RIOT,rousselk/RIOT,neumodisch/RIOT,binarylemon/RIOT,brettswann/RIOT,RIOT-OS/RIOT,dailab/RIOT,cladmi/RIOT,jfischer-phytec-iot/RIOT,immesys/RiSyn,kb2ma/RIOT,RBartz/RIOT,Yonezawa-T2/RIOT,kbumsik/RIOT,immesys/RiSyn,alignan/RIOT,malosek/RIOT,RubikonAlpha/RIOT,plushvoxel/RIOT,gautric/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,yogo1212/RIOT,jfischer-phytec-iot/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,rfuentess/RIOT,miri64/RIOT,RubikonAlpha/RIOT,kaleb-himes/RIOT,syin2/RIOT,Yonezawa-T2/RIOT,neumodisch/RIOT,avmelnikoff/RIOT,Ell-i/RIOT,FrancescoErmini/RIOT,kYc0o/RIOT,FrancescoErmini/RIOT,malosek/RIOT,rakendrathapa/RIOT,OlegHahm/RIOT,zhuoshuguo/RIOT,kYc0o/RIOT,tfar/RIOT,backenklee/RIOT,neiljay/RIOT,kaspar030/RIOT,ks156/RIOT,dkm/RIOT,BytesGalore/RIOT,malosek/RIOT,basilfx/RIOT,mziegert/RIOT,altairpearl/RIOT,adjih/RIOT,asanka-code/RIOT,yogo1212/RIOT,mziegert/RIOT,neiljay/RIOT,adrianghc/RIOT,kb2ma/RIOT,mziegert/RIOT,LudwigOrtmann/RIOT,binarylemon/RIOT,mtausig/RIOT,l3nko/RIOT,attdona/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,lazytech-org/RIOT,MohmadAyman/RIOT,lebrush/RIOT,mfrey/RIOT,Yonezawa-T2/RIOT,gebart/RIOT,LudwigOrtmann/RIOT,jbeyerstedt/RIOT-OTA-update,BytesGalore/RIOT,cladmi/RIOT,tfar/RIOT,wentaoshang/RIOT,d00616/RIOT,LudwigKnuepfer/RIOT,attdona/RIOT,toonst/RIOT,mziegert/RIOT,rfuentess/RIOT,LudwigKnuepfer/RIOT,stevenj/RIOT,kaleb-himes/RIOT,wentaoshang/RIOT,kaleb-himes/RIOT,l3nko/RIOT,Josar/RIOT,neumodisch/RIOT,Josar/RIOT,toonst/RIOT,kbumsik/RIOT,cladmi/RIOT,adjih/RIOT,zhuoshuguo/RIOT,OlegHahm/RIOT,kbumsik/RIOT,cladmi/RIOT,brettswann/RIOT,miri64/RIOT,plushvoxel/RIOT,RIOT-OS/RIOT,toonst/RIOT,gautric/RIOT,jbeyerstedt/RIOT-OTA-update,stevenj/RIOT,MohmadAyman/RIOT,RBartz/RIOT,zhuoshuguo/RIOT,brettswann/RIOT,kYc0o/RIOT,RBartz/RIOT,smlng/RIOT,ant9000/RIOT,d00616/RIOT,lebrush/RIOT,LudwigKnuepfer/RIOT,kaleb-himes/RIOT,jasonatran/RIOT,Ell-i/RIOT,rajma996/RIOT,rfuentess/RIOT,altairpearl/RIOT,thomaseichinger/RIOT,jremmert-phytec-iot/RIOT,TobiasFredersdorf/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,attdona/RIOT,BytesGalore/RIOT,aeneby/RIOT,ant9000/RIOT,rousselk/RIOT,kbumsik/RIOT,A-Paul/RIOT,yogo1212/RIOT,jfischer-phytec-iot/RIOT,OlegHahm/RIOT,roberthartung/RIOT,kerneltask/RIOT,Hyungsin/RIOT-OS,basilfx/RIOT,d00616/RIOT,basilfx/RIOT,l3nko/RIOT,lebrush/RIOT,biboc/RIOT,kerneltask/RIOT,hamilton-mote/RIOT-OS,katezilla/RIOT,hamilton-mote/RIOT-OS,Yonezawa-T2/RIOT,rousselk/RIOT,yogo1212/RIOT,hamilton-mote/RIOT-OS,RubikonAlpha/RIOT,rakendrathapa/RIOT,kYc0o/RIOT,LudwigOrtmann/RIOT,tfar/RIOT,d00616/RIOT,avmelnikoff/RIOT,kb2ma/RIOT,kerneltask/RIOT,asanka-code/RIOT,TobiasFredersdorf/RIOT,attdona/RIOT,josephnoir/RIOT,zhuoshuguo/RIOT,stevenj/RIOT,mfrey/RIOT,thomaseichinger/RIOT,RBartz/RIOT,BytesGalore/RIOT,mziegert/RIOT,aeneby/RIOT,shady33/RIOT,adrianghc/RIOT,FrancescoErmini/RIOT,A-Paul/RIOT,attdona/RIOT,smlng/RIOT,biboc/RIOT,tfar/RIOT,plushvoxel/RIOT,biboc/RIOT,Hyungsin/RIOT-OS,gebart/RIOT,OTAkeys/RIOT,adjih/RIOT,neiljay/RIOT,dkm/RIOT,mziegert/RIOT,immesys/RiSyn,LudwigOrtmann/RIOT,adrianghc/RIOT,adrianghc/RIOT,immesys/RiSyn,dailab/RIOT,RubikonAlpha/RIOT,katezilla/RIOT,x3ro/RIOT,beurdouche/RIOT,alignan/RIOT,cladmi/RIOT,smlng/RIOT,rakendrathapa/RIOT,asanka-code/RIOT,authmillenon/RIOT,ant9000/RIOT,jasonatran/RIOT,backenklee/RIOT,ks156/RIOT,josephnoir/RIOT,roberthartung/RIOT,stevenj/RIOT,syin2/RIOT,rajma996/RIOT,authmillenon/RIOT,kaleb-himes/RIOT,alignan/RIOT,biboc/RIOT,RBartz/RIOT,smlng/RIOT,jremmert-phytec-iot/RIOT,lebrush/RIOT,thomaseichinger/RIOT,lazytech-org/RIOT,OTAkeys/RIOT,backenklee/RIOT,Hyungsin/RIOT-OS,biboc/RIOT,gautric/RIOT,katezilla/RIOT,rakendrathapa/RIOT,plushvoxel/RIOT,MohmadAyman/RIOT,authmillenon/RIOT,wentaoshang/RIOT,rakendrathapa/RIOT,mtausig/RIOT,neumodisch/RIOT,mfrey/RIOT,stevenj/RIOT,kaspar030/RIOT,rajma996/RIOT,mtausig/RIOT,RIOT-OS/RIOT,josephnoir/RIOT,aeneby/RIOT,jremmert-phytec-iot/RIOT,Josar/RIOT,rousselk/RIOT,rajma996/RIOT,lebrush/RIOT,jasonatran/RIOT,mtausig/RIOT,dailab/RIOT,josephnoir/RIOT,hamilton-mote/RIOT-OS,kbumsik/RIOT,rakendrathapa/RIOT,Yonezawa-T2/RIOT,jbeyerstedt/RIOT-OTA-update,malosek/RIOT,Ell-i/RIOT,kerneltask/RIOT,FrancescoErmini/RIOT,x3ro/RIOT,FrancescoErmini/RIOT,adjih/RIOT,shady33/RIOT,lazytech-org/RIOT,MohmadAyman/RIOT,ks156/RIOT,neiljay/RIOT,roberthartung/RIOT,asanka-code/RIOT,avmelnikoff/RIOT,zhuoshuguo/RIOT,OTAkeys/RIOT,kaspar030/RIOT,jbeyerstedt/RIOT-OTA-update,yogo1212/RIOT,yogo1212/RIOT,LudwigKnuepfer/RIOT,zhuoshuguo/RIOT,TobiasFredersdorf/RIOT,dailab/RIOT,kerneltask/RIOT,altairpearl/RIOT,neiljay/RIOT,avmelnikoff/RIOT,kaspar030/RIOT,gebart/RIOT,x3ro/RIOT,gautric/RIOT,beurdouche/RIOT,ant9000/RIOT,miri64/RIOT,roberthartung/RIOT,binarylemon/RIOT,authmillenon/RIOT,RIOT-OS/RIOT,jremmert-phytec-iot/RIOT,stevenj/RIOT,basilfx/RIOT,miri64/RIOT,l3nko/RIOT,rousselk/RIOT,alignan/RIOT,kb2ma/RIOT,Josar/RIOT,katezilla/RIOT,mfrey/RIOT,altairpearl/RIOT,Ell-i/RIOT,gebart/RIOT,wentaoshang/RIOT,LudwigOrtmann/RIOT,OTAkeys/RIOT,basilfx/RIOT,Ell-i/RIOT,beurdouche/RIOT,malosek/RIOT,adrianghc/RIOT,syin2/RIOT,shady33/RIOT,OlegHahm/RIOT,Yonezawa-T2/RIOT,kaspar030/RIOT