Mangled: Fix an 'unused variable' warning on GNU/Linux

Platforms which don't use LLDB's built-in demangler don't use the
'mangled_length' variable.  Instead, replace it's only use by an
expression it is equivalent to.

Differential Revision: http://reviews.llvm.org/D4625

llvm-svn: 213681

diff --git a/lldb/source/Core/Mangled.cpp b/lldb/source/Core/Mangled.cpp
index b20013f..c4fa10f 100644 (file)
--- a/lldb/source/Core/Mangled.cpp
+++ b/lldb/source/Core/Mangled.cpp
@@ -5158,7 +5158,6 @@ Mangled::GetDemangledName () const
 
         // Don't bother running anything that isn't mangled
         const char *mangled_cstr = m_mangled.GetCString();
-        long mangled_length = m_mangled.GetLength();
         if (cstring_is_mangled(mangled_cstr))
         {
             if (!m_mangled.GetMangledCounterpart(m_demangled))
@@ -5170,7 +5169,7 @@ Mangled::GetDemangledName () const
                 // performance win, falling back to the full demangler only
                 // when necessary
                 char *demangled_name = FastDemangle (mangled_cstr,
-                                                     mangled_length);
+                                                     m_mangled.GetLength());
                 if (!demangled_name)
                     demangled_name = __cxa_demangle (mangled_cstr, NULL, NULL, NULL);
 #elif defined(_MSC_VER)