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New Lint: Pass small trivially copyable objects by value

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Fixes #1680

Hardcoded for 64-bit "trivial" size for now
This commit is contained in:
Wim Looman
2018-05-27 14:32:03 +02:00
committed by Wim Looman
parent 0c23112846
commit 7547a4ddef
14 changed files with 269 additions and 9 deletions
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4
clippy_lints/src/lib.rs
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@@ -196,6 +196,7 @@ pub mod suspicious_trait_impl;
pub mod swap;
pub mod temporary_assignment;
pub mod transmute;
pub mod trivially_copy_pass_by_ref;
pub mod types;
pub mod unicode;
pub mod unsafe_removed_from_name;
@@ -399,6 +400,7 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
reg.register_late_lint_pass(box large_enum_variant::LargeEnumVariant::new(conf.enum_variant_size_threshold));
reg.register_late_lint_pass(box explicit_write::Pass);
reg.register_late_lint_pass(box needless_pass_by_value::NeedlessPassByValue);
reg.register_late_lint_pass(box trivially_copy_pass_by_ref::TriviallyCopyPassByRef);
reg.register_early_lint_pass(box literal_representation::LiteralDigitGrouping);
reg.register_early_lint_pass(box literal_representation::LiteralRepresentation::new(
conf.literal_representation_threshold
@@ -672,6 +674,7 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
transmute::TRANSMUTE_PTR_TO_REF,
transmute::USELESS_TRANSMUTE,
transmute::WRONG_TRANSMUTE,
trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
types::ABSURD_EXTREME_COMPARISONS,
types::BORROWED_BOX,
types::BOX_VEC,
@@ -916,6 +919,7 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
methods::SINGLE_CHAR_PATTERN,
misc::CMP_OWNED,
mutex_atomic::MUTEX_ATOMIC,
trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
types::BOX_VEC,
vec::USELESS_VEC,
]);