Bump version to v0.12 (#159)

Author: qinsoon

CHANGELOG.md

@@ -1,3 +1,13 @@
+0.12.0 (2022-05-13)
+===
+
+* Adds a few missing includes.
+* Adds weak reference support (It is disabled by default. Set MMTk option `no_reference_types` to `false` to enable it).
+* Fixes a bug in C2 allocation fastpath generation for mark compact which caused significant slowdown for mark compact allocation.
+* Fixes a bug in transitioning thread state for the `harness_begin` call which may cause a 'deadlock in safepoint code' error.
+* Updates the OpenJDK version to 11.0.15+8.
+* Updates to mmtk-core 0.12.0.
+
 0.11.0 (2022-04-01)
 ===
 

mmtk/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mmtk_openjdk"
-version = "0.11.0"
+version = "0.12.0"
 authors = [" <>"]
 rust-version = "1.57.0"
 
@@ -28,7 +28,7 @@ once_cell = "1.10.0"
 # - change branch
 # - change repo name
 # But other changes including adding/removing whitespaces in commented lines may break the CI.
-mmtk = { git = "https://github.com/mmtk/mmtk-core.git", rev = "21176127d1f0493444fd901ea7277099a24bcecc" }
+mmtk = { git = "https://github.com/mmtk/mmtk-core.git", rev = "e0273429f5239ab03407b4a93b52b21f45930d88" }
 # Uncomment the following to build locally
 # mmtk = { path = "../repos/mmtk-core" }