Remove obsolete -f flags.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79992 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/FrontendC/2003-08-20-vfork-bug.c b/test/FrontendC/2003-08-20-vfork-bug.c
index 575bfd6..cfe3161 100644
--- a/test/FrontendC/2003-08-20-vfork-bug.c
+++ b/test/FrontendC/2003-08-20-vfork-bug.c
@@ -1,4 +1,4 @@
-// RUN: %llvmgcc -S %s -o - | llvm-as -f -o /dev/null
+// RUN: %llvmgcc -S %s -o - | llvm-as -o /dev/null
 
 extern int vfork(void);
 test() {