Downgrade GCC due to compilation error
Downgrade GCC due to compilation error

```
Configuring direct-sqlite-2.3.16...
Building direct-sqlite-2.3.16...
Preprocessing library direct-sqlite-2.3.16...
[1 of 4] Compiling Database.SQLite3.Bindings.Types ( .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Database/SQLite3/Bindings/Types.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Database/SQLite3/Bindings/Types.o )
[2 of 4] Compiling Database.SQLite3.Bindings ( Database/SQLite3/Bindings.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Database/SQLite3/Bindings.o )
/tmp/ghc13096_0/ghc_13.o: In function `rcLN_closure:
```

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