compiler: Stream related fixes

[mloubout]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 72.72727% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.33%. Comparing base (0d6197b) to head (8ae4ad6).
⚠️ Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
conftest.py	71.42%	2 Missing ⚠️
devito/finite_differences/derivative.py	0.00%	1 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (0d6197b) and HEAD (8ae4ad6). Click for more details.

HEAD has 2 uploads less than BASE

Flag	BASE (0d6197b)	HEAD (8ae4ad6)
	18	16

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2701      +/-   ##
==========================================
- Coverage   92.11%   84.33%   -7.78%     
==========================================
  Files         248      248              
  Lines       49644    49654      +10     
  Branches     4367     4368       +1     
==========================================
- Hits        45729    41877    -3852     
- Misses       3208     7012    +3804     
- Partials      707      765      +58     

Flag	Coverage Δ
pytest-gpu-aomp-amdgpuX	71.07% <72.72%> (-0.01%)	⬇️
pytest-gpu-nvc-nvidiaX	72.05% <72.72%> (+<0.01%)	⬆️

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[FabioLuporini]

what prompted these changes?

foreign calls should never appear inside efuncs