Fix build breakage on Windows with GCC 4.3. References bug #2176.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48874 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/LLVMCCConfigurationEmitter.cpp b/utils/TableGen/LLVMCCConfigurationEmitter.cpp
index 9431fe1..9c6f064 100644
--- a/utils/TableGen/LLVMCCConfigurationEmitter.cpp
+++ b/utils/TableGen/LLVMCCConfigurationEmitter.cpp
@@ -212,7 +212,7 @@
   OptionPropertyList Props;
 
   // StringMap can only store DefaultConstructible objects
-  ToolOptionDescription() : OptionDescription() {}
+  ToolOptionDescription() : OptionDescription(), Flags(0) {}
 
   ToolOptionDescription (OptionType::OptionType t, const std::string& n)
     : OptionDescription(t, n)