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Update to latest master

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This commit is contained in:
Oliver Schneider
2017-07-31 12:37:38 +02:00
parent c518847c8a
commit 9967e9aacc
11 changed files with 61 additions and 17 deletions
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6
clippy_lints/src/array_indexing.rs
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@@ -1,6 +1,7 @@
use rustc::lint::*;
use rustc::middle::const_val::ConstVal;
use rustc::ty;
use rustc::ty::subst::Substs;
use rustc_const_eval::ConstContext;
use rustc_const_math::{ConstUsize, ConstIsize, ConstInt};
use rustc::hir;
@@ -62,7 +63,10 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for ArrayIndexing {
if let ty::TyArray(_, size) = ty.sty {
let size = ConstInt::Usize(ConstUsize::new(size as u64, cx.sess().target.uint_type)
.expect("array size is invalid"));
let constcx = ConstContext::with_tables(cx.tcx, cx.tables);
let parent_item = cx.tcx.hir.get_parent(e.id);
let parent_def_id = cx.tcx.hir.local_def_id(parent_item);
let substs = Substs::identity_for_item(cx.tcx, parent_def_id);
let constcx = ConstContext::new(cx.tcx, cx.param_env.and(substs), cx.tables);
// Index is a constant uint
let const_index = constcx.eval(index);