accept and ignore a few things for better OpenBSD compatibility,
patch by Amit Kulkarni!

llvm-svn: 125944
diff --git a/clang/lib/Sema/AttributeList.cpp b/clang/lib/Sema/AttributeList.cpp
index 73e956c..c0a3053 100644
--- a/clang/lib/Sema/AttributeList.cpp
+++ b/clang/lib/Sema/AttributeList.cpp
@@ -120,6 +120,7 @@
     .Case("init_priority", AT_init_priority)
     .Case("no_instrument_function", AT_no_instrument_function)
     .Case("thiscall", AT_thiscall)
+    .Case("bounded", IgnoredAttribute)       // OpenBSD
     .Case("pascal", AT_pascal)
     .Case("__cdecl", AT_cdecl)
     .Case("__stdcall", AT_stdcall)