From 7b1916d25347913fce3e336517ef22025ccd875f Mon Sep 17 00:00:00 2001
From: petrochenkov <vadim.petrochenkov@gmail.com>
Date: Tue, 19 May 2015 19:43:33 +0300
Subject: [PATCH] Fix panic in lint for out of range literals

---
 src/librustc_lint/builtin.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/librustc_lint/builtin.rs b/src/librustc_lint/builtin.rs
index 3716ee395bf..bb449de2e8c 100644
--- a/src/librustc_lint/builtin.rs
+++ b/src/librustc_lint/builtin.rs
@@ -206,8 +206,8 @@ impl LintPass for TypeLimits {
                                 let (min, max) = int_ty_range(int_type);
                                 let negative = self.negated_expr_id == e.id;
 
-                                if (negative && v > min.wrapping_neg() as u64) ||
-                                   (!negative && v > (max.abs() as u64)) {
+                                if (negative && min != i64::MIN && v > -min as u64) ||
+                                   (!negative && v > max as u64) {
                                     cx.span_lint(OVERFLOWING_LITERALS, e.span,
                                                  &*format!("literal out of range for {:?}", t));
                                     return;