- Disable IAS for OpenBSD SPARC.

Index: clang/lib/Driver/ToolChains/Gnu.cpp
--- clang/lib/Driver/ToolChains/Gnu.cpp.orig
+++ clang/lib/Driver/ToolChains/Gnu.cpp
@@ -2763,7 +2763,7 @@ bool Generic_GCC::IsIntegratedAssemblerDefault() const
   case llvm::Triple::sparc:
   case llvm::Triple::sparcel:
   case llvm::Triple::sparcv9:
-    if (getTriple().isOSFreeBSD() || getTriple().isOSOpenBSD() ||
+    if (getTriple().isOSFreeBSD() ||
         getTriple().isOSSolaris())
       return true;
     return false;
