diff --git a/lib/coffee-script/nodes.js b/lib/coffee-script/nodes.js
index f4d6479008..103163c9e4 100644
--- a/lib/coffee-script/nodes.js
+++ b/lib/coffee-script/nodes.js
@@ -535,7 +535,7 @@
     };
 
     Literal.prototype.toString = function() {
-      return " " + (this.isStatement() ? Literal.__super__.toString.apply(this, arguments) : this.constructor.name) + ": " + this.value;
+      return " " + (this.isStatement() ? Literal.__super__.toString.apply(this, (arguments)) : this.constructor.name) + ": " + this.value;
     };
 
     return Literal;
@@ -781,7 +781,7 @@
       if (o.scope.parent == null) {
         this.error('yield can only occur inside functions');
       }
-      return YieldReturn.__super__.compileNode.apply(this, arguments);
+      return YieldReturn.__super__.compileNode.apply(this, (arguments));
     };
 
     return YieldReturn;
@@ -1037,7 +1037,7 @@
         }
         delete this.needsUpdatedStartLocation;
       }
-      return Call.__super__.updateLocationDataIfMissing.apply(this, arguments);
+      return Call.__super__.updateLocationDataIfMissing.apply(this, (arguments));
     };
 
     Call.prototype.newInstance = function() {
@@ -2725,7 +2725,7 @@
       return this.name.assigns(name);
     };
 
-    Splat.prototype.compileToFragments = function(o) {
+    Splat.prototype.compileNode = function(o) {
       return this.name.compileToFragments(o);
     };
 
@@ -2818,7 +2818,7 @@
 
     While.prototype.makeReturn = function(res) {
       if (res) {
-        return While.__super__.makeReturn.apply(this, arguments);
+        return While.__super__.makeReturn.apply(this, (arguments));
       } else {
         this.returns = !this.jumps({
           loop: true
@@ -3371,7 +3371,7 @@
     StringWithInterpolations.prototype.compileNode = function(o) {
       var element, elements, expr, fragments, j, len1, value;
       if (!o.inTaggedTemplateCall) {
-        return StringWithInterpolations.__super__.compileNode.apply(this, arguments);
+        return StringWithInterpolations.__super__.compileNode.apply(this, (arguments));
       }
       expr = this.body.unwrap();
       elements = [];
diff --git a/src/nodes.coffee b/src/nodes.coffee
index 6ef56a7bb6..8625b74319 100644
--- a/src/nodes.coffee
+++ b/src/nodes.coffee
@@ -1812,7 +1812,7 @@ exports.Splat = class Splat extends Base
   assigns: (name) ->
     @name.assigns name
 
-  compileToFragments: (o) ->
+  compileNode: (o) ->
     @name.compileToFragments o
 
   unwrap: -> @name
diff --git a/test/arrays.coffee b/test/arrays.coffee
index bffd512787..234c9ddcc9 100644
--- a/test/arrays.coffee
+++ b/test/arrays.coffee
@@ -36,9 +36,7 @@ test "array splat expansions with assignments", ->
   eq 4, b
   arrayEq [0,1,2,3,4], list
 
-
 test "mixed shorthand objects in array lists", ->
-
   arr = [
     a:1
     'b'
@@ -58,7 +56,6 @@ test "mixed shorthand objects in array lists", ->
   eq arr[2].b, 1
   eq arr[3], 'b'
 
-
 test "array splats with nested arrays", ->
   nonce = {}
   a = [nonce]
@@ -70,6 +67,30 @@ test "array splats with nested arrays", ->
   list = [1, 2, a...]
   arrayEq list, [1, 2, [nonce]]
 
+test "#4260: splat after existential operator soak", ->
+  a = {b: [3]}
+  foo = (a) -> [a]
+  arrayEq [a?.b...], [3]
+  arrayEq [c?.b ? []...], []
+  arrayEq foo(a?.b...), [3]
+  arrayEq foo(c?.b ? []...), [undefined]
+  e = yes
+  f = null
+  arrayEq [(a if e)?.b...], [3]
+  arrayEq [(a if f)?.b ? []...], []
+  arrayEq foo((a if e)?.b...), [3]
+  arrayEq foo((a if f)?.b ? []...), [undefined]
+
+test "#1349: trailing if after splat", ->
+  a = [3]
+  b = yes
+  c = null
+  foo = (a) -> [a]
+  arrayEq [a if b...], [3]
+  arrayEq [(a if c) ? []...], []
+  arrayEq foo((a if b)...), [3]
+  arrayEq foo((a if c) ? []...), [undefined]
+
 test "#1274: `[] = a()` compiles to `false` instead of `a()`", ->
   a = false
   fn = -> a = true