[wasm] remove faux code objects

src/compiler/mips64/code-generator-mips64.cc

Index: src/compiler/mips64/code-generator-mips64.cc
diff --git a/src/compiler/mips64/code-generator-mips64.cc b/src/compiler/mips64/code-generator-mips64.cc
index b122cbf9553af9bf8b2f7e4d07f4510e9d65352a..15894a70a17f5e81eded1e99e645b8f7c605d2a7 100644
--- a/src/compiler/mips64/code-generator-mips64.cc
+++ b/src/compiler/mips64/code-generator-mips64.cc
@@ -558,8 +558,14 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
     case kArchCallCodeObject: {
       EnsureSpaceForLazyDeopt();
       if (instr->InputAt(0)->IsImmediate()) {
-        __ Call(Handle<Code>::cast(i.InputHeapObject(0)),
-                RelocInfo::CODE_TARGET);
+        Constant callee_operand = i.ToConstant(instr->InputAt(0));
+        if (callee_operand.type() == Constant::Type::kInt32) {
+          __ Call(reinterpret_cast<Address>(callee_operand.ToInt32()),
+                  RelocInfo::WASM_DIRECT_CALL);
+        } else {
+          __ Call(Handle<Code>::cast(i.InputHeapObject(0)),
+                  RelocInfo::CODE_TARGET);
+        }
       } else {
         __ daddiu(at, i.InputRegister(0), Code::kHeaderSize - kHeapObjectTag);
         __ Call(at);