Fix over-long bitshift on 32-bit hosts.

solson · solson · commit 926bbba459d5 · 2016-04-14T17:39:06.000-06:00
Fixes #4. (Hopefully.)
diff --git a/src/interpreter.rs b/src/interpreter.rs
@@ -1001,7 +1001,7 @@ impl<'a, 'tcx: 'a, 'arena> Interpreter<'a, 'tcx, 'arena> {
             variants.push(fields);
         }
 
-        let discr_size = match variants.len() {
+        let discr_size = match variants.len() as u64 {
             n if n <= 1       => 0,
             n if n <= 1 << 8  => 1,
             n if n <= 1 << 16 => 2,

Original file line number	Diff line number	Diff line change
`@@ -1001,7 +1001,7 @@ impl<'a, 'tcx: 'a, 'arena> Interpreter<'a, 'tcx, 'arena> {`
`1001`	`1001`	`variants.push(fields);`
`1002`	`1002`	`}`
`1003`	`1003`
`1004`		`- let discr_size = match variants.len() {`
	`1004`	`+ let discr_size = match variants.len() as u64 {`
`1005`	`1005`	`n if n <= 1 => 0,`
`1006`	`1006`	`n if n <= 1 << 8 => 1,`
`1007`	`1007`	`n if n <= 1 << 16 => 2,`