[wasm] remove faux code objects

src/compiler/arm64/code-generator-arm64.cc

Index: src/compiler/arm64/code-generator-arm64.cc
diff --git a/src/compiler/arm64/code-generator-arm64.cc b/src/compiler/arm64/code-generator-arm64.cc
index ec130076ad9f8f0aaeb0deb8d1f69753bc13d888..1313c4f877187018d2f1326a0873615059568b9b 100644
--- a/src/compiler/arm64/code-generator-arm64.cc
+++ b/src/compiler/arm64/code-generator-arm64.cc
@@ -573,6 +573,28 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
   InstructionCode opcode = instr->opcode();
   ArchOpcode arch_opcode = ArchOpcodeField::decode(opcode);
   switch (arch_opcode) {
+    case kArchCallWasmFunction: {
+      DCHECK(instr->InputAt(0)->IsImmediate());
+      Constant callee_operand = i.ToConstant(instr->InputAt(0));
+      DCHECK(callee_operand.type() == Constant::Type::kInt32);
+      __ Call(reinterpret_cast<Address>(callee_operand.ToInt32()),
+              callee_operand.rmode());
+      RecordCallPosition(instr);
+      // TODO(titzer): this is ugly. JSSP should be a caller-save register
+      // in this case, but it is not possible to express in the register
+      // allocator.
+      CallDescriptor::Flags flags(MiscField::decode(opcode));
+      if (flags & CallDescriptor::kRestoreJSSP) {
+        __ Ldr(jssp, MemOperand(csp));
+        __ Mov(csp, jssp);
+      }
+      if (flags & CallDescriptor::kRestoreCSP) {
+        __ Mov(csp, jssp);
+        __ AssertCspAligned();
+      }
+      frame_access_state()->ClearSPDelta();
+      break;
+    }
     case kArchCallCodeObject: {
       EnsureSpaceForLazyDeopt();
       if (instr->InputAt(0)->IsImmediate()) {