linux_and_macos.yml: Compile with -O1

Author: hartwork

.github/workflows/linux_and_macos.yml

@@ -124,7 +124,7 @@ jobs:
 
           ${MAKE} --version 2>/dev/null || true
 
-          CFLAGS="-std=gnu99 -pedantic -Werror ${sanitizer}" LDFLAGS="${as_needed} ${sanitizer}" ${MAKE}
+          CFLAGS="-std=gnu99 -pedantic -Werror ${sanitizer} -O1" LDFLAGS="${as_needed} ${sanitizer}" ${MAKE}
 
       - name: 'Install'
         env: