v2.2.1

Cthulhu v2.2.1

Diff since v2.2.0

Closed issues:

• Indicate whether in optimized or unoptimized mode (#35)
• @Descend macro hygiene (#217)

Merged pull requests:

• restore original intent of IRShow test case (#205) (@simeonschaub)
• use consistent with InteractiveUtils syntax highlighting for llvm and native code (#216) (@KristofferC)
• some type annotations and inferrability improvement (#218) (@aviatesk)
• update to JuliaLang/julia#41920 (#219) (@aviatesk)
• make union-split const-prop' test robust against future changes of th… (#220) (@aviatesk)
• improve printing of some CallInfos (#221) (@simeonschaub)
• fix printing of signatures containing TypeVars (#222) (@simeonschaub)