added expected output for selfcheck

Author: firewave

.github/workflows/CI-unixish.yml

@@ -54,7 +54,7 @@ jobs:
     - name: Install missing software on macos
       if: contains(matrix.os, 'macos')
       run: |
-        brew install coreutils
+        brew install coreutils diffutils
 
     - name: Install missing Python packages
       run: |
@@ -161,7 +161,7 @@ jobs:
         
         make clean
         make -j$(nproc) CXXOPTS="-O2 -g3" simplecpp
-        VALGRIND_TOOL=callgrind SIMPLECPP_PATH=simplecpp-1.5.1 ./selfcheck.sh >callgrind.log || (cat callgrind.log && false)
+        VALGRIND_TOOL=callgrind SIMPLECPP_PATH=simplecpp-1.5.1 STRICT=1 ./selfcheck.sh >callgrind.log || (cat callgrind.log && false)
         cat callgrind.log
         
         # PGO - start