1 files changed, 14 insertions, 12 deletions

diff --git a/lib/parse.js b/lib/parse.js
index 7f144295..a30ec5a1 100644
--- a/lib/parse.js
+++ b/lib/parse.js
@@ -746,7 +746,7 @@ function parse($TEXT, exigent_mode) {
           case "punc":
             switch (S.token.value) {
               case "{":
-                return block_();
+                return block_(false);
               case "[":
               case "(":
                 return simple_statement();
@@ -938,7 +938,7 @@ function parse($TEXT, exigent_mode) {
                 S.in_directives = true;
                 S.in_loop = 0;
                 S.labels = [];
-                var a = block_();
+                var a = block_(true);
                 --S.in_function;
                 S.in_loop = loop;
                 S.labels = labels;
@@ -960,7 +960,7 @@ function parse($TEXT, exigent_mode) {
         });
     };
 
-    function block_() {
+    function block_(required) {
         var start = S.token;
         expect("{");
         var a = [];
@@ -971,9 +971,10 @@ function parse($TEXT, exigent_mode) {
         var end = S.token;
         next();
         return new AST_BlockStatement({
-            start : start,
-            body  : a,
-            end   : end
+            required : required,
+            start    : start,
+            body     : a,
+            end      : end
         });
     };
 
@@ -1011,14 +1012,15 @@ function parse($TEXT, exigent_mode) {
         var end = S.token;
         next();
         return new AST_SwitchBlock({
-            start : start,
-            body  : a,
-            end   : end
+            required : true,
+            start    : start,
+            body     : a,
+            end      : end
         });
     }));
 
     function try_() {
-        var body = block_(), bcatch = null, bfinally = null;
+        var body = block_(true), bcatch = null, bfinally = null;
         if (is("keyword", "catch")) {
             var start = S.token;
             next();
@@ -1028,7 +1030,7 @@ function parse($TEXT, exigent_mode) {
             bcatch = new AST_Catch({
                 start   : start,
                 argname : name,
-                body    : block_(),
+                body    : block_(true),
                 end     : prev()
             });
         }
@@ -1037,7 +1039,7 @@ function parse($TEXT, exigent_mode) {
             next();
             bfinally = new AST_Finally({
                 start : start,
-                body  : block_(),
+                body  : block_(true),
                 end   : prev()
             });
         }