```rust
#[cfg(target_endian = "little")]
fn something() { /* .. */ }

#[cfg(target_endian = "big")]
fn something() { /* .. */ }
```

…consts-fp, r=phansch

Prevent `replace_consts` lint within match patterns

Currently `replace_consts` lint applies within match patterns but the suggestion is incorrect as function calls are disallowed in them. To fix this we prevent the lint from firing within patterns.

Fixes rust-lang#4969

changelog: Fix false positive in `replace_consts` lint

…e-short-ops

Remove artificial short reads/writes from TCP sockets