enable fold_mac

mark-i-m · pietroalbini · commit 0f8f238ad569 · 2018-06-28T17:19:14.000+02:00
diff --git a/src/librustc_allocator/expand.rs b/src/librustc_allocator/expand.rs
@@ -170,6 +170,11 @@ impl<'a> Folder for ExpandAllocatorDirectives<'a> {
         info!("exit submodule");
         ret
     }
+
+    // `fold_mac` is disabled by default. Enable it here.
+    fn fold_mac(&mut self, mac: Mac) -> Mac {
+        fold::noop_fold_mac(mac, self)
+    }
 }
 
 struct AllocFnFactory<'a> {

Original file line number	Diff line number	Diff line change
`@@ -170,6 +170,11 @@ impl<'a> Folder for ExpandAllocatorDirectives<'a> {`
`170`	`170`	`info!("exit submodule");`
`171`	`171`	`ret`
`172`	`172`	`}`
	`173`	`+`
	`174`	+ // `fold_mac` is disabled by default. Enable it here.
	`175`	`+ fn fold_mac(&mut self, mac: Mac) -> Mac {`
	`176`	`+ fold::noop_fold_mac(mac, self)`
	`177`	`+ }`
`173`	`178`	`}`
`174`	`179`
`175`	`180`	`struct AllocFnFactory<'a> {`