cbm_pipeline_fqn_compute strips the file extension, so a C/C++ header
and its same-stem source collide on both the module QN and the File
QN. Node upserts match by QN, so the header's File node is merged into
the source's - the header has no node of its own and can never receive
an inbound IMPORTS edge; the reporter's zero-inbound query flags 194
of 214 files.
The module-QN unification is (at least partly) load-bearing for C/C++
declaration/definition call joins, and the File-node creation sites
overlap PR #995's pending fix for #994, so the fix is deferred to land
on top of that. This RED reproduction (non-gating repro tier) keeps
the bug tracked until then. Refs #964
Signed-off-by: Martin Vogel <martin.vogel.tech@gmail.com>
Martin Vogel
b70812e22f