Pranav

Added tests and fix for generic procedure calling in return type

28

Added tests and fix for generic procedure calling in return type from [gitlab/lfortran](https://gitlab.com/lfortran/lfortran/-/merge_requests/1754/diffs?commit_id=4b33cd67e2462e532c7608afc00933ba95019807).

Initial fix for redeclaration error

13

Performing the changes as suggested in #651 On executing ```temp.f90``` for ```--show-asr``` throws, ``` LFORTRAN_ASSERT failed: /home/pranavchiku/lfortran/src/libasr/asr.h function down_cast(), line number 40 at is_a(*f) Aborted (core dumped) ```

[SciPy]: Support ```Variable``` symbol type

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``` semantic error: Symbol type not supported --> /home/pranavchiku/scipy/scipy/linalg/src/id_dist/src/idzr_rid.f:139:10 | 139 | call matveca(m,x,n,y,p1,p2,p3,p4) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ```

[SciPy]: Assign ```complex``` to ```integer```

7

``` semantic error: Type mismatch in assignment, the types must be compatible --> /home/pranavchiku/scipy/scipy/linalg/src/id_dist/src/idzr_aid.f:105:9 | 105 | l = w(1) | ^ ^^^^ type mismatch (integer and complex) ``` Here...

[SciPy]: Tokenize `ASSIGN TO`

3

on executing ```lfortran --show-asr --implicit-typing ../scipy/scipy/special/cdflib/dinvr.f``` results in ``` tokenizer error: Expecting terminating symbol for subroutine --> /home/pranavchiku/scipy/scipy/special/cdflib/dinvr.f:100:7 | 100 | ASSIGN 10 TO i99999 | ^ Note: if any...

Added tests and fix for generic procedure calling in return type from [gitlab/lfortran](https://gitlab.com/lfortran/lfortran/-/merge_requests/1754/diffs?commit_id=4b33cd67e2462e532c7608afc00933ba95019807)

```string_19.f90``` not passing the integration tests

5

on executing ```./run_tests.py``` results in ``` Traceback (most recent call last): File "/home/pranavchiku/lfortran/./run_tests.py", line 223, in tester_main("LFortran", single_test) File "/home/pranavchiku/lfortran/src/libasr/compiler_tester/tester.py", line 385, in tester_main for f in futures: File "/home/pranavchiku/conda_root/envs/lf/lib/python3.10/concurrent/futures/_base.py",...

```--show-stacktrace``` not working for windows

4

No stack trace is returned on executing ``` inst\bin\lfortran --show-asr --fixed-form --implicit-typing ../scipy/scipy/stats/statlib/spearman.f --show-stacktrace ```

Move `reverse` from `stdlib_ascii` to `stdlib_strings`

5

When I build, it throws me following error, I am not sure why it happens: ```console % cmake --build build [ 19%] Built target fortran_stdlib [ 19%] Built target test-drive-lib...