Remove obsolete -f flags.

llvm-svn: 79992
diff --git a/llvm/test/FrontendC++/2007-04-05-PackedBitFieldsSmall.cpp b/llvm/test/FrontendC++/2007-04-05-PackedBitFieldsSmall.cpp
index e7517dd..7377b82 100644
--- a/llvm/test/FrontendC++/2007-04-05-PackedBitFieldsSmall.cpp
+++ b/llvm/test/FrontendC++/2007-04-05-PackedBitFieldsSmall.cpp
@@ -1,4 +1,4 @@
-// RUN: %llvmgxx -S %s -o - | llvm-as -f -o /dev/null
+// RUN: %llvmgxx -S %s -o - | llvm-as -o /dev/null
 
 
 #ifdef PACKED