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Fix some warnings in no_std builds.

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The dbg! macro expands to nothing in no_std mode, so variables that are
only used for debugging prompt unused variable warnings.

Also, allow unstable_features in no_std builds, since they use
feature(alloc), which is an unstable feature.
This commit is contained in:
Dan Gohman
2018-04-30 13:56:29 -07:00
parent 94a883abae
commit 9c87f3ac87
7 changed files with 22 additions and 14 deletions
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3
lib/codegen/src/lib.rs
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@@ -1,7 +1,8 @@
//! Cretonne code generation library.
#![deny(missing_docs, trivial_numeric_casts, unused_extern_crates)]
#![warn(unused_import_braces, unstable_features)]
#![warn(unused_import_braces)]
#![cfg_attr(feature = "std", warn(unstable_features))]
#![cfg_attr(feature = "clippy", plugin(clippy(conf_file = "../../clippy.toml")))]
#![cfg_attr(feature="cargo-clippy", allow(
// Rustfmt 0.9.0 is at odds with this lint: