Remove obsolete -f flags.

llvm-svn: 79992
diff --git a/llvm/test/FrontendC++/2007-04-05-StructPackedFieldUnpacked.cpp b/llvm/test/FrontendC++/2007-04-05-StructPackedFieldUnpacked.cpp
index 52e2471..b550b5f 100644
--- a/llvm/test/FrontendC++/2007-04-05-StructPackedFieldUnpacked.cpp
+++ b/llvm/test/FrontendC++/2007-04-05-StructPackedFieldUnpacked.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
 #define P __attribute__((packed))