--- a/js/src/jsscript.h
+++ b/js/src/jsscript.h
@@ -946,17 +946,25 @@ class JSScript : public js::gc::Cell
         return arr->vector[index];
     }
 
     /*
      * The isEmpty method tells whether this script has code that computes any
      * result (not return value, result AKA normal completion value) other than
      * JSVAL_VOID, or any other effects.
      */
-    inline bool isEmpty() const;
+    bool isEmpty() const {
+        if (length > 3)
+            return false;
+
+        jsbytecode *pc = code;
+        if (noScriptRval && JSOp(*pc) == JSOP_FALSE)
+            ++pc;
+        return JSOp(*pc) == JSOP_STOP;
+    }
 
     bool varIsAliased(unsigned varSlot);
     bool formalIsAliased(unsigned argSlot);
     bool formalLivesInArgumentsObject(unsigned argSlot);
 
   private:
     /*
      * Recompile with or without single-stepping support, as directed

--- a/js/src/jsscriptinlines.h
+++ b/js/src/jsscriptinlines.h
@@ -103,28 +103,16 @@ JSScript::getRegExp(size_t index)
 {
     js::ObjectArray *arr = regexps();
     JS_ASSERT(uint32_t(index) < arr->length);
     JSObject *obj = arr->vector[index];
     JS_ASSERT(obj->is<js::RegExpObject>());
     return (js::RegExpObject *) obj;
 }
 
-inline bool
-JSScript::isEmpty() const
-{
-    if (length > 3)
-        return false;
-
-    jsbytecode *pc = code;
-    if (noScriptRval && JSOp(*pc) == JSOP_FALSE)
-        ++pc;
-    return JSOp(*pc) == JSOP_STOP;
-}
-
 inline js::GlobalObject &
 JSScript::global() const
 {
     /*
      * A JSScript always marks its compartment's global (via bindings) so we
      * can assert that maybeGlobal is non-null here.
      */
     return *compartment()->maybeGlobal();