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[io] read checksum for zero-version foreign class

2

# This Pull request: ## Changes or fixes: Fixes https://github.com/root-project/root/issues/19371 ## Checklist: - [x] tested changes locally - [x] updated the docs (if necessary)

ferdymercury

TTree/TChain ResetBranchAddress does not propagate the reset to the clones

1

### Check duplicate issues. - [ ] Checked for duplicates ### Description As discovered in https://root-forum.cern.ch/t/possible-issue-when-cloning-trees/63873/15, neither `TChain::ResetBranchAddresses` nor `TTree::ResetBranchAddresses` seems to reset the address of their current list of...

pcanal

[Core] New TSystem::CompileMacro flag, "h"

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# This Pull request: Adds a new flag to CompileMacro, "h". ## Changes or fixes: This new functionality allows not to rebuild the macro even if the file is newer...

dpiparo

PyROOT/cppyy fails with template functions overload with SFINAE

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### Check duplicate issues. - [X] Checked for duplicates ### Description Recent version of PyROOT/cppyy fails for relatively simple templated function overload with SFINAE. The reproducer is here. There is...

VanyaBelyaev

[io] read versioned class from file even if in-memory-class is unversioned

2

# This Pull request: ## Changes or fixes: Fixes https://its.cern.ch/jira/browse/ROOT-5306 Reproducer: ``` root .L /tmp/MySubClass.cxx+ TFile f("/tmp/mysub.root", "RECREATE"); MySubClass msc; msc.id = 33; f.WriteObjectAny(&msc, "MySubClass", "msc"); f.Close(); .q root .L...

ferdymercury

[cmake] explicit feature=OFF should have hierarchical priority over cached or explicit builtin_feature=ON v2

4

# This Pull request: ## Changes or fixes: This is v2 of https://github.com/root-project/root/pull/18413 Fixes https://its.cern.ch/jira/browse/ROOT-10743 Related: https://its.cern.ch/jira/browse/ROOT-9385 ## Checklist: - [ ] tested changes locally - [ ] updated the...

ferdymercury

[cling] Provide C value printer, adopted from Ruben De Smet!

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# This Pull request: ## Changes or fixes: Rebased version of https://github.com/root-project/root/pull/9272/ Fixes root-project/cling#364 Fixes root-project/cling#419 and helps for https://github.com/jupyter-xeus/xeus-cling/issues/404

ferdymercury

[docu] Use CMake-generated Doxyfile instead of hard-coded one

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# This Pull request: ## Changes or fixes: It's quite hard to have an overview of a 3k-line-long Doxyfile, and it needs constant commits "update to version 1.9.8", etc. I...

ferdymercury

Interpreter: Crash with empty statement

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### Check duplicate issues. - [X] Checked for duplicates ### Description A silly `while(1) {;}` makes ROOT interpreter crash. It should instead hang or raise an error. ### Reproducer See...

ferdymercury

[io] properly stream TClonesArray with empty slots

1

# This Pull request: ## Changes or fixes: Fixes https://its.cern.ch/jira/browse/ROOT-6788 by @olifre This fixes the crash, but not sure if it is correct. ## Checklist: - [x] tested changes locally...

ferdymercury