[tautschnig]

POSIX.1-2024 (and glibc, macOS) have the conversions of strtol and its
siblings with an explicit locale; the conversion of integers does not
depend on it beyond the white-space and digit characters, which the
existing models take from the "C" locale. The models call those of
strtol, strtoul, strtoll and strtoull. glibc names them _isoc23*_l in
C23 mode, which get the same models. libc++'s num_get converts every
integer it reads with strtoll_l or strtoull_l, which had no model. New
tests strtol_l, strtoul_l, strtoll_l and strtoull_l.

Co-authored-by: Kiro kiro-agent@users.noreply.github.com
Depends-on: #9439

• Each commit message has a non-empty body, explaining why the change was made.
• Methods or procedures I have added are documented, following the guidelines provided in CODING_STANDARD.md.
• n/a The feature or user visible behaviour I have added or modified has been documented in the User Guide in doc/cprover-manual/
• Regression or unit tests are included, or existing tests cover the modified code (in this case I have detailed which ones those are in the commit message).
• n/a My commit message includes data points confirming performance improvements (if claimed).
• My PR is restricted to a single feature or bugfix.
• n/a White-space or formatting changes outside the feature-related changed lines are in commits of their own.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.02%. Comparing base (826c1c7) to head (71bceec).
⚠️ Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #9444      +/-   ##
===========================================
- Coverage    81.02%   81.02%   -0.01%     
===========================================
  Files         1723     1723              
  Lines       191314   191314              
  Branches        73       73              
===========================================
- Hits        155020   155017       -3     
- Misses       36294    36297       +3     

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