Rename RubyVM::MJIT to RubyVM::JIT

because the name "MJIT" is an internal code name, it's inconsistent with
--jit while they are related to each other, and I want to discourage future
JIT implementation-specific (e.g. MJIT-specific) APIs by this rename.

[Feature #17490]

1 files changed, 2 insertions, 0 deletions

diff --git a/NEWS.md b/NEWS.md
index 604be60ce4..1e3202c235 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -37,6 +37,8 @@ Excluding feature bug fixes.
 
 ### JIT
 
+* `RubyVM::MJIT` is renamed to `RubyVM::JIT`.
+
 ## Static analysis
 
 ### RBS