Merge pull request #4491 from parth121101/ishftc_opt #7

Job	Run time
Check Out-of-Source Debug build	8m 25s
Check Debug build	6m 14s
Build LFortran to WASM and Upload	16m 7s
LFortran CI (3.10, windows-2019)	21m 4s
Check Release build	9m 16s
Test OpenMP integration tests	4m 9s
Test integration_tests with GFortran	46s
LFortran CI (3.10, macos-latest)	9m 7s
Check SciPy Build and Test Run	20m 55s
LFortran CI (3.10, ubuntu-latest)	8m 22s
Test C/C++ backend	4m 54s
Test CPP	6m 10s
Test Fortran backend	5m 21s
Test LLVM 10	6m 0s
Test LLVM->WASM 10	10m 24s
Test WASM	6m 48s
Test LLVM 14	5m 55s
Test LLVM->WASM 16	10m 10s
Test without LLVM Backend	3m 57s
Test LLVM 15	6m 0s
Check Third Party Code Compilation (macos-latest, 3.10)	8m 41s
Test LLVM 16	5m 51s
Documentation	7m 3s
Check Third Party Code Compilation (ubuntu-latest, 3.10)	10m 44s
Test LLVM 17	3m 56s
Upload Tarball	2m 18s
	3h 28m 37s

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