Index: lldb/trunk/tools/lldb-mi/MICmdArgValFile.cpp
===================================================================
--- lldb/trunk/tools/lldb-mi/MICmdArgValFile.cpp
+++ lldb/trunk/tools/lldb-mi/MICmdArgValFile.cpp
@@ -146,7 +146,7 @@
     const bool bHaveBckSlash = (vrFileNamePath.find_first_of("\\") != std::string::npos);
 
     // Look for --someLongOption
-    size_t nPos = vrFileNamePath.find_first_of("--");
+    size_t nPos = vrFileNamePath.find("--");
     const bool bLong = (nPos == 0);
     if (bLong)
         return false;
Index: lldb/trunk/tools/lldb-mi/MICmdArgValOptionLong.cpp
===================================================================
--- lldb/trunk/tools/lldb-mi/MICmdArgValOptionLong.cpp
+++ lldb/trunk/tools/lldb-mi/MICmdArgValOptionLong.cpp
@@ -254,7 +254,7 @@
     if (bHavePosSlash || bHaveBckSlash)
         return false;
 
-    const size_t nPos = vrTxt.find_first_of("--");
+    const size_t nPos = vrTxt.find("--");
     if (nPos != 0)
         return false;