ci: fix failing macos job (do not test -usecache for now there)

.github/workflows/ci.yml

@@ -109,6 +109,13 @@ jobs:
         run: ./v tutorials/building_a_simple_web_blog_with_vweb/code/blog
       - name: Build cmd/tools/fast
         run: cd cmd/tools/fast && ../../../v fast.v && ./fast
+      - name: V self compilation with -usecache
+        run: |
+          ./v -usecache examples/hello_world.v && examples/hello_world
+          ./v  -o v2 -usecache cmd/v
+          ./v2 -o v3 -usecache cmd/v
+          ./v3 version
+          ./v3 -o tetris  -usecache examples/tetris/tetris.v
 
   ubuntu-tcc-boehm-gc:
     runs-on: ubuntu-20.04
@@ -273,12 +280,6 @@ jobs:
           UBSAN_OPTIONS=print_stacktrace=1:halt_on_error=1 ./v2 -o v.c cmd/v
       - name: Build V using V
         run: ./v -o v2 cmd/v && ./v2 -o v3 cmd/v
-      - name: usecache
-        run: |
-           ./v -usecache examples/hello_world.v && examples/hello_world
-           ./v  -o v2 -usecache cmd/v
-           ./v2 -o v3 -usecache cmd/v
-           ./v3 -o tetris  -usecache examples/tetris/tetris.v
       - name: Test symlink
         run: ./v symlink
       #    - name: Set up pg database
@@ -372,14 +373,15 @@ jobs:
       #      run: git clone --depth 1 https://github.com/vlang/vpm && cd vpm && ../v . && cd ..
       - name: Freestanding
         run: ./v -freestanding run vlib/os/bare/bare_example_linux.v
-      - name: v self compilation
+      - name: V self compilation
         run: ./v -o v2 cmd/v && ./v2 -o v3 cmd/v && ./v3 -o v4 cmd/v
-      # QTODO
-      #      - name: v self compilation with -usecache
-      #        run: |
-      #          ./v -o v2 -usecache cmd/v
-      #          ./v2 -o v3 -usecache cmd/v
-      #          ./v3 -usecache examples/tetris/tetris.v
+      - name: V self compilation with -usecache
+        run: |
+             ./v -usecache examples/hello_world.v && examples/hello_world
+             ./v  -o v2     -usecache cmd/v
+             ./v2 -o v3     -usecache cmd/v
+             ./v3 version
+             ./v3 -o tetris -usecache examples/tetris/tetris.v
       - name: Verify `v test` works
         run: |
           ./v cmd/tools/test_if_v_test_system_works.v
@@ -464,12 +466,13 @@ jobs:
           ASAN_OPTIONS=detect_leaks=0 UBSAN_OPTIONS=print_stacktrace=1:halt_on_error=1 ./v5 -o v.c cmd/v
       - name: v self compilation
         run: ./v -o v2 cmd/v && ./v2 -o v3 cmd/v && ./v3 -o v4 cmd/v
-      # QTODO
-      #      - name: v self compilation with -usecache
-      #        run: |
-      #          ./v -o v2 -usecache cmd/v
-      #          ./v2 -o v3 -usecache cmd/v
-      #          ./v3 -usecache examples/tetris/tetris.v
+      - name: v self compilation with -usecache
+        run: |
+          ./v -usecache examples/hello_world.v && examples/hello_world
+          ./v  -o v2     -usecache cmd/v
+          ./v2 -o v3     -usecache cmd/v
+          ./v3 version
+          ./v3 -o tetris -usecache examples/tetris/tetris.v
       - name: Verify `v test` works
         run: |
           ./v cmd/tools/test_if_v_test_system_works.v