[turbofan] Remove dead kArchTailCallJSFunction.

src/compiler/x87/code-generator-x87.cc

Index: src/compiler/x87/code-generator-x87.cc
diff --git a/src/compiler/x87/code-generator-x87.cc b/src/compiler/x87/code-generator-x87.cc
index b7c00ba767af287390ac924fb6c0cc90b5fe1727..74d9b74b558bbfc41a6b79d077559ca5c4e401b6 100644
--- a/src/compiler/x87/code-generator-x87.cc
+++ b/src/compiler/x87/code-generator-x87.cc
@@ -637,8 +637,7 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
       frame_access_state()->ClearSPDelta();
       break;
     }
-    case kArchTailCallJSFunctionFromJSFunction:
-    case kArchTailCallJSFunction: {
+    case kArchTailCallJSFunctionFromJSFunction: {
       Register func = i.InputRegister(0);
       if (FLAG_debug_code) {
         // Check the function's context matches the context argument.
@@ -649,10 +648,8 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
         __ VerifyX87StackDepth(1);
       }
       __ fstp(0);
-      if (arch_opcode == kArchTailCallJSFunctionFromJSFunction) {
-        AssemblePopArgumentsAdaptorFrame(kJavaScriptCallArgCountRegister,
-                                         no_reg, no_reg, no_reg);
-      }
+      AssemblePopArgumentsAdaptorFrame(kJavaScriptCallArgCountRegister, no_reg,
+                                       no_reg, no_reg);
       __ jmp(FieldOperand(func, JSFunction::kCodeEntryOffset));
       frame_access_state()->ClearSPDelta();
       frame_access_state()->SetFrameAccessToDefault();