Try i686-gnu jobs

src/ci/github-actions/jobs.yml

@@ -99,20 +99,11 @@ envs:
 # These jobs automatically inherit envs.pr, to avoid repeating
 # it in each job definition.
 pr:
-  - name: mingw-check
-    <<: *job-linux-4c
-  - name: mingw-check-tidy
-    continue_on_error: true
-    <<: *job-linux-4c
-  - name: x86_64-gnu-llvm-18
+  - name: i686-gnu-nopt-1
     env:
-      ENABLE_GCC_CODEGEN: "1"
-      # We are adding (temporarily) a dummy commit on the compiler
-      READ_ONLY_SRC: "0"
-      DOCKER_SCRIPT: x86_64-gnu-llvm.sh
-    <<: *job-linux-16c
-  - name: x86_64-gnu-tools
-    <<: *job-linux-16c
+      IMAGE: i686-gnu-nopt
+      DOCKER_SCRIPT: /scripts/stage_2_test_set1.sh
+    <<: *job-linux-4c
 
 # Jobs that run when you perform a try build (@bors try)
 # These jobs automatically inherit envs.try, to avoid repeating