Fixup: eval_usize needs param env

oli-obk · oli-obk · commit 7385f2177f8e · 2019-08-05T17:48:05.000+02:00
diff --git a/src/librustc_mir/hair/pattern/_match.rs b/src/librustc_mir/hair/pattern/_match.rs
@@ -228,7 +228,7 @@ impl LiteralExpander<'tcx> {
                 ConstValue::Slice {
                     data: self.tcx.alloc_map.lock().unwrap_memory(p.alloc_id),
                     start: p.offset.bytes().try_into().unwrap(),
-                    end: n.eval_usize(self.tcx, ty::ParamEnv::reveal_all()).try_into().unwrap(),
+                    end: n.eval_usize(self.tcx, ty::ParamEnv::empty()).try_into().unwrap(),
                 }
             },
             // fat pointers stay the same

Original file line number	Diff line number	Diff line change
`@@ -228,7 +228,7 @@ impl LiteralExpander<'tcx> {`
`228`	`228`	`ConstValue::Slice {`
`229`	`229`	`data: self.tcx.alloc_map.lock().unwrap_memory(p.alloc_id),`
`230`	`230`	`start: p.offset.bytes().try_into().unwrap(),`
`231`		`- end: n.eval_usize(self.tcx, ty::ParamEnv::reveal_all()).try_into().unwrap(),`
	`231`	`+ end: n.eval_usize(self.tcx, ty::ParamEnv::empty()).try_into().unwrap(),`
`232`	`232`	`}`
`233`	`233`	`},`
`234`	`234`	`// fat pointers stay the same`