Remove obsolete -f flags.

llvm-svn: 79992
diff --git a/llvm/test/FrontendC/2004-06-18-VariableLengthArrayOfStructures.c b/llvm/test/FrontendC/2004-06-18-VariableLengthArrayOfStructures.c
index e474a13..3e450a4 100644
--- a/llvm/test/FrontendC/2004-06-18-VariableLengthArrayOfStructures.c
+++ b/llvm/test/FrontendC/2004-06-18-VariableLengthArrayOfStructures.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
 
 
 struct S { };