Fix bug in wrapping_div

pnkfelix · alexcrichton · commit c536e175acc7 · 2015-04-22T11:02:01.000-07:00
See discussion, albeit one-sided, in: rust-lang/rfcs#964
diff --git a/src/libcore/num/wrapping.rs b/src/libcore/num/wrapping.rs
@@ -232,7 +232,7 @@ macro_rules! signed_overflowing_impl {
             #[inline(always)]
             fn overflowing_div(self, rhs: $t) -> ($t, bool) {
                 if self == $t::MIN && rhs == -1 {
-                    (1, true)
+                    (self, true)
                 } else {
                     (self/rhs, false)
                 }

Original file line number	Diff line number	Diff line change
`@@ -232,7 +232,7 @@ macro_rules! signed_overflowing_impl {`
`232`	`232`	`#[inline(always)]`
`233`	`233`	`fn overflowing_div(self, rhs: $t) -> ($t, bool) {`
`234`	`234`	`if self == $t::MIN && rhs == -1 {`
`235`		`- (1, true)`
	`235`	`+ (self, true)`
`236`	`236`	`} else {`
`237`	`237`	`(self/rhs, false)`
`238`	`238`	`}`