Merge branch 'feature/llvm-19' into 'master'

.gitlab-ci.yml

framaCIRGen_src/ACSLLexer.h

framaCIRGen_src/ACSLParser.cpp

framaCIRGen_src/CMakeLists.txt

framaCIRGen_src/Clang_utils.cpp

mangling.ml

nix/pkgs.nix

reorder_defs.ml

share/libc++/functional

tests/stl/oracle/stl_algorithm.res.oracle

tests/stl/oracle/stl_functional.res.oracle

tests/stl/oracle/stl_iterator.res.oracle

tests/stl/oracle/stl_memory.res.oracle

tests/stl/oracle/stl_shared_ptr_mistake10.res.oracle

tests/stl/oracle/stl_shared_ptr_mistake5.res.oracle

tests/stl/oracle/stl_shared_ptr_mistake6.res.oracle

tests/stl/oracle/stl_system_error.res.oracle

tests/stl/oracle/stl_unique_ptr.res.oracle

tests/stl/oracle/stl_utility.res.oracle

tests/template/instantiation_order.cpp