Revert "Enable reference processing by default in CI (#312)"

This reverts commit db91fd1.

Author: qinsoon

.github/scripts/ci-test-extended.sh

@@ -19,6 +19,7 @@ $cur/ci-build.sh
 # Test
 $cur/ci-test-only-normal.sh
 $cur/ci-test-only-normal-no-compressed-oops.sh
+$cur/ci-test-only-weak-ref.sh
 
 # Build with extreme assertions
 MMTK_EXTREME_ASSERTIONS=1 $cur/ci-build.sh

.github/scripts/ci-test-only-weak-ref.sh

@@ -0,0 +1,5 @@
+set -xe
+
+# Just run everything in ci-test-only-normal.sh, but with reference processing enabled.
+export MMTK_NO_REFERENCE_TYPES=false
+. $(dirname "$0")/ci-test-only-normal.sh

.github/workflows/run-dacapo-2006.yml

@@ -45,7 +45,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        test-script: ["ci-test-only-normal", "ci-test-only-normal-no-compressed-oops"]
+        test-script: ["ci-test-only-normal", "ci-test-only-normal-no-compressed-oops", "ci-test-only-weak-ref"]
     steps:
       # We need to check out the binding repo to get the running configs and test scripts
       - name: Checkout MMTk OpenJDK binding

mmtk/Cargo.lock

@@ -35,7 +35,7 @@ probe = "0.5"
 # - 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 = "7d798ad8a71aa6df80f58f5e565e4f9274d06871" }
+mmtk = { git = "https://github.com/mmtk/mmtk-core.git", rev = "d93262b4397df4866a64a1d268689ae20f208713" }
 # Uncomment the following to build locally
 # mmtk = { path = "../repos/mmtk-core" }