Revert "[WebAssembly] Add linker options to control feature checking"

This reverts commit 5991328c96b6146999cfa74ede42901f8c01f2fa.

llvm-svn: 356932

1 files changed, 0 insertions, 10 deletions

diff --git a/lld/wasm/Driver.cpp b/lld/wasm/Driver.cpp
index f9dfd5ce464..19ea38c1d94 100644
--- a/lld/wasm/Driver.cpp
+++ b/lld/wasm/Driver.cpp
@@ -21,7 +21,6 @@
 #include "lld/Common/Version.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/Object/Wasm.h"
-#include "llvm/Option/Arg.h"
 #include "llvm/Option/ArgList.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Path.h"
@@ -293,8 +292,6 @@ static StringRef getEntry(opt::InputArgList &Args, StringRef Default) {
 // of these values.
 static void setConfigs(opt::InputArgList &Args) {
   Config->AllowUndefined = Args.hasArg(OPT_allow_undefined);
-  Config->CheckFeatures =
-      Args.hasFlag(OPT_check_features, OPT_no_check_features, true);
   Config->CompressRelocations = Args.hasArg(OPT_compress_relocations);
   Config->Demangle = Args.hasFlag(OPT_demangle, OPT_no_demangle, true);
   Config->DisableVerify = Args.hasArg(OPT_disable_verify);
@@ -342,13 +339,6 @@ static void setConfigs(opt::InputArgList &Args) {
   Config->MaxMemory = args::getInteger(Args, OPT_max_memory, 0);
   Config->ZStackSize =
       args::getZOptionValue(Args, OPT_z, "stack-size", WasmPageSize);
-
-  if (auto *Arg = Args.getLastArg(OPT_features)) {
-    Config->Features =
-        llvm::Optional<std::vector<std::string>>(std::vector<std::string>());
-    for (StringRef S : Arg->getValues())
-      Config->Features->push_back(S);
-  }
 }
 
 // Some command line options or some combinations of them are not allowed.