Index: packages/Python/lldbsuite/test/tools/lldb-mi/data/TestMiData.py
===================================================================
--- packages/Python/lldbsuite/test/tools/lldb-mi/data/TestMiData.py
+++ packages/Python/lldbsuite/test/tools/lldb-mi/data/TestMiData.py
@@ -40,6 +40,10 @@
         # Test -data-disassemble: try to disassemble some address
         self.runCmd("-data-disassemble -s %#x -e %#x -- 0" % (addr, addr + 0x10))
         self.expect("\^done,asm_insns=\[{address=\"0x0*%x\",func-name=\"main\",offset=\"0\",size=\"[1-9]+\",inst=\".+?\"}," % addr)
+        
+        # Test -data-disassemble without "--"
+        self.runCmd("-data-disassemble -s %#x -e %#x 0" % (addr, addr + 0x10))
+        self.expect("\^done,asm_insns=\[{address=\"0x0*%x\",func-name=\"main\",offset=\"0\",size=\"[1-9]+\",inst=\".+?\"}," % addr)
 
         # Run to hello_world
         self.runCmd("-break-insert -f hello_world")
Index: tools/lldb-mi/MICmdBase.h
===================================================================
--- tools/lldb-mi/MICmdBase.h
+++ tools/lldb-mi/MICmdBase.h
@@ -98,6 +98,7 @@
     const CMIUtilString m_constStrArgThreadGroup;
     const CMIUtilString m_constStrArgThread;
     const CMIUtilString m_constStrArgFrame;
+    const CMIUtilString m_constStrArgConsume;
 
     // These 3 members can be used by the derived classes to make any of
     // "thread", "frame" or "thread-group" mandatory.
Index: tools/lldb-mi/MICmdBase.cpp
===================================================================
--- tools/lldb-mi/MICmdBase.cpp
+++ tools/lldb-mi/MICmdBase.cpp
@@ -12,6 +12,7 @@
 #include "MICmnMIValueConst.h"
 #include "MICmnLLDBDebugSessionInfo.h"
 #include "MICmdArgValOptionLong.h"
+#include "MICmdArgValConsume.h"
 
 //++ ------------------------------------------------------------------------------------
 // Details: CMICmdBase constructor.
@@ -27,6 +28,7 @@
     , m_constStrArgThreadGroup("thread-group")
     , m_constStrArgThread("thread")
     , m_constStrArgFrame("frame")
+    , m_constStrArgConsume("--")
     , m_ThreadGrpArgMandatory(false)
     , m_ThreadArgMandatory(false)
     , m_FrameArgMandatory(false)
@@ -97,6 +99,7 @@
     m_setCmdArgs.Add(new CMICmdArgValOptionLong(m_constStrArgThreadGroup, m_ThreadGrpArgMandatory, true, CMICmdArgValListBase::eArgValType_ThreadGrp, 1));
     m_setCmdArgs.Add(new CMICmdArgValOptionLong(m_constStrArgThread, m_ThreadArgMandatory, true, CMICmdArgValListBase::eArgValType_Number, 1));
     m_setCmdArgs.Add(new CMICmdArgValOptionLong(m_constStrArgFrame, m_FrameArgMandatory, true, CMICmdArgValListBase::eArgValType_Number, 1));
+    m_setCmdArgs.Add(new CMICmdArgValConsume(m_constStrArgConsume, false));
 }
 
 //++ ------------------------------------------------------------------------------------
Index: tools/lldb-mi/MICmdCmdData.h
===================================================================
--- tools/lldb-mi/MICmdCmdData.h
+++ tools/lldb-mi/MICmdCmdData.h
@@ -106,7 +106,6 @@
   private:
     const CMIUtilString m_constStrArgAddrStart; // MI spec non mandatory, *this command mandatory
     const CMIUtilString m_constStrArgAddrEnd;   // MI spec non mandatory, *this command mandatory
-    const CMIUtilString m_constStrArgConsume;
     const CMIUtilString m_constStrArgMode;
     CMICmnMIValueList m_miValueList;
 };
Index: tools/lldb-mi/MICmdCmdData.cpp
===================================================================
--- tools/lldb-mi/MICmdCmdData.cpp
+++ tools/lldb-mi/MICmdCmdData.cpp
@@ -239,7 +239,6 @@
 CMICmdCmdDataDisassemble::CMICmdCmdDataDisassemble()
     : m_constStrArgAddrStart("s")
     , m_constStrArgAddrEnd("e")
-    , m_constStrArgConsume("--")
     , m_constStrArgMode("mode")
     , m_miValueList(true)
 {
@@ -277,7 +276,6 @@
         new CMICmdArgValOptionShort(m_constStrArgAddrStart, true, true, CMICmdArgValListBase::eArgValType_StringQuotedNumber, 1));
     m_setCmdArgs.Add(
         new CMICmdArgValOptionShort(m_constStrArgAddrEnd, true, true, CMICmdArgValListBase::eArgValType_StringQuotedNumber, 1));
-    m_setCmdArgs.Add(new CMICmdArgValConsume(m_constStrArgConsume, true));
     m_setCmdArgs.Add(new CMICmdArgValNumber(m_constStrArgMode, true, true));
     return ParseValidateCmdOptions();
 }