0.599

What's Changed

• Improve POSIX compliance in CLI/FileUtils.cpp by @SamuraiCrow #1064
• AstStat*::hasEnd is deprecated; use AstStatBlock::hasEnd instead
• Added a lint for common misuses of the # operator
• Linter now issues deprecated diagnostics for some uses of getfenv and setfenv
• Fixed a case where we included a trailing space in some error stringifications

Compiler

• Do not do function analysis in -O2 on self functions to make compilation faster
• Improve detection of invalid repeat..until expressions vs continue #1065

New Type Solver

• We now cache subtype test results to improve performance
• Improved operator inference mechanics (aka type families)
• Further work towards type states
• Work towards new non-strict mode continues

Native Codegen

• Instruction last use locations should follow the order in which blocks are lowered

New Contributors

• @SamuraiCrow made their first contribution in #1064

Full Changelog: 0.598...0.599