Enable the gimple verification

Author: antoyo

.github/workflows/main.yml

@@ -23,7 +23,7 @@ jobs:
         ls
         mkdir build install
         cd build
-        ../gcc/configure --enable-host-shared --enable-languages=jit,c++ --disable-bootstrap --disable-multilib --enable-checking=release --prefix=$(pwd)/../install
+        ../gcc/configure --enable-host-shared --enable-languages=jit,c++ --disable-bootstrap --disable-multilib --prefix=$(pwd)/../install
         make -j4
 
     - uses: actions/upload-artifact@v2