[wasm] remove faux code objects

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

Index: src/compiler/mips/code-generator-mips.cc
diff --git a/src/compiler/mips/code-generator-mips.cc b/src/compiler/mips/code-generator-mips.cc
index ffc0258ba035582c347f097c77e98a45e9ded722..69d37474197f268a0ab26aec745870e71d2dda1f 100644
--- a/src/compiler/mips/code-generator-mips.cc
+++ b/src/compiler/mips/code-generator-mips.cc
@@ -547,8 +547,14 @@ 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 {
         __ addiu(at, i.InputRegister(0), Code::kHeaderSize - kHeapObjectTag);
         __ Call(at);