minor clean-ups (#2686)

2 files changed, 3 insertions, 7 deletions

diff --git a/lib/compress.js b/lib/compress.js
index 4e3a8f82..318246cd 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -3998,7 +3998,7 @@ merge(Compressor.prototype, {
                 }
                 if (defs) defs.push(arg.definition());
             }
-            return !defs || defs.length == 0 || !is_reachable(fn.body[0], defs);
+            return !defs || defs.length == 0 || !is_reachable(stat, defs);
         }
 
         function flatten_args(fn) {
diff --git a/lib/output.js b/lib/output.js
index fc592d60..58521e3c 100644
--- a/lib/output.js
+++ b/lib/output.js
@@ -671,9 +671,7 @@ function OutputStream(options) {
         }
     };
 
-    PARENS(AST_Node, function(){
-        return false;
-    });
+    PARENS(AST_Node, return_false);
 
     // a function expression needs parens around it when it's provably
     // the first token to appear in a statement.
@@ -699,9 +697,7 @@ function OutputStream(options) {
 
     // same goes for an object literal, because otherwise it would be
     // interpreted as a block of code.
-    PARENS(AST_Object, function(output){
-        return first_in_statement(output);
-    });
+    PARENS(AST_Object, first_in_statement);
 
     PARENS(AST_Unary, function(output){
         var p = output.parent();