Start testing the actual JIT code on CI

Merged: https://github.com/ruby/ruby/pull/13131

.github/workflows/zjit-macos.yml

@@ -28,11 +28,16 @@ jobs:
         include:
           - test_task: 'zjit-test'
             configure: '--enable-zjit=dev'
-            # Test without ZJIT for now
-            #zjit_opts: '--zjit-call-threshold=1'
+
+          - test_task: 'btest-bruby'
+            configure: '--enable-zjit=dev'
+            zjit_opts: '--zjit'
+            btests: 'bootstraptest/test_zjit.rb'
 
           - test_task: 'check'
             configure: '--enable-zjit'
+            # Test without ZJIT for now
+            #zjit_opts: '--zjit-call-threshold=1'
 
     env:
       GITPULLOPTIONS: --no-tags origin ${{ github.ref }}

.github/workflows/zjit-ubuntu.yml

@@ -34,6 +34,11 @@ jobs:
           - test_task: 'zjit-test'
             configure: '--enable-zjit=dev'
 
+          - test_task: 'btest-bruby'
+            configure: '--enable-zjit=dev'
+            zjit_opts: '--zjit'
+            btests: 'bootstraptest/test_zjit.rb'
+
           - test_task: 'check'
             configure: '--enable-zjit'
             # Test without ZJIT for now
@@ -119,6 +124,7 @@ jobs:
           SYNTAX_SUGGEST_TIMEOUT: '5'
           YJIT_BINDGEN_DIFF_OPTS: '--exit-code'
           LIBCLANG_PATH: ${{ matrix.libclang_path }}
+          BTESTS: ${{ matrix.btests }}
         continue-on-error: ${{ matrix.continue-on-test_task || false }}
 
       - uses: ./.github/actions/slack

bootstraptest/test_zjit.rb

@@ -0,0 +1,12 @@
+# Tests of Ruby methods that ZJIT can currently compile.
+# make btest-bruby BTESTS=bootstraptest/test_zjit.rb RUN_OPTS="--zjit"
+
+assert_equal 'nil', %q{
+  def test = nil
+  test.inspect
+}
+
+assert_equal '1', %q{
+  def test = 1
+  test
+}