fix[lang]: recursion in uses analysis for nonreentrant functions

[charles-cooper]

What I did

How I did it

How to verify it

Commit message

this commit fixes `uses` analysis for nonreentrant functions, which are
called recursively.

a partial fix for this was applied in cb940684a9137, but it missed the
case where a nonreentrant function is deep in the call tree.

Description for the changelog

Cute Animal Picture

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.74%. Comparing base (4a0305a) to head (cffa731).

❗ Current head cffa731 differs from pull request most recent head c41ec42. Consider uploading reports for the commit c41ec42 to get more accurate results

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3971      +/-   ##
==========================================
- Coverage   90.96%   89.74%   -1.23%     
==========================================
  Files         105      103       -2     
  Lines       15241    14908     -333     
  Branches     3357     3305      -52     
==========================================
- Hits        13864    13379     -485     
- Misses        943     1069     +126     
- Partials      434      460      +26     

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[Leminkay]

Lgtm!