Update for cranelift change

src/pretty_clif.rs

@@ -10,6 +10,26 @@ use crate::prelude::*;
 pub struct CommentWriter(pub HashMap<Inst, String>);
 
 impl FuncWriter for CommentWriter {
+    fn write_preamble(
+        &mut self,
+        w: &mut dyn fmt::Write,
+        func: &Function,
+        reg_info: Option<&isa::RegInfo>,
+    ) -> Result<bool, fmt::Error> {
+        PlainWriter.write_preamble(w, func, reg_info)
+    }
+
+    fn write_ebb_header(
+        &mut self,
+        w: &mut dyn fmt::Write,
+        func: &Function,
+        isa: Option<&dyn isa::TargetIsa>,
+        ebb: Ebb,
+        indent: usize,
+    ) -> fmt::Result {
+        PlainWriter.write_ebb_header(w, func, isa, ebb, indent)
+    }
+
     fn write_instruction(
         &mut self,
         w: &mut dyn fmt::Write,
@@ -25,15 +45,6 @@ impl FuncWriter for CommentWriter {
         }
         Ok(())
     }
-
-    fn write_preamble(
-        &mut self,
-        w: &mut dyn fmt::Write,
-        func: &Function,
-        reg_info: Option<&isa::RegInfo>,
-    ) -> Result<bool, fmt::Error> {
-        PlainWriter.write_preamble(w, func, reg_info)
-    }
 }
 
 impl<'a, 'tcx: 'a, B: Backend + 'a> FunctionCx<'a, 'tcx, B> {