What's Changed

• Sync libasr from LFortran by @czgdp1807 in https://github.com/lcompilers/lpython/pull/2148
• CI: Check for warnings by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2145
• Support unsigned bitshift operators by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2152
• Avoid verifying IntrinsicFunction if check_external is False by @czgdp1807 in https://github.com/lcompilers/lpython/pull/2155
• Add cumulative flag for pass by @Smit-create in https://github.com/lcompilers/lpython/pull/2156
• Support array comparison by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2157
• Minor improvements by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2158
• fix: added initial implementation for supporting internal function definitions by @arteevraina in https://github.com/lcompilers/lpython/pull/2119
• Set data structure by @kabra1110 in https://github.com/lcompilers/lpython/pull/2122
• ASR pass for unique symbols by @Smit-create in https://github.com/lcompilers/lpython/pull/2149
• Refactor: Several Improvements by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2160
• Fix scoping issue by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2161
• LLVM: Support global unsigned integer variable by @Shaikh-Ubaid in https://github.com/lcompilers/lpython/pull/2164
• LLVM: Support Unsigned Int in visit_Variable by @Smit-create in https://github.com/lcompilers/lpython/pull/2171

Full Changelog: https://github.com/lcompilers/lpython/compare/v0.18.1...v0.18.2