Make the strict-mode calling convention for contextual calls the default one.

src/arm/code-stubs-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3168 matching lines @@
 
 void CallFunctionStub::Generate(MacroAssembler* masm) {
   // r1 : the function to call
   // r2 : cache cell for call target
   Label slow, non_function;
 
   // Check that the function is really a JavaScript function.
   // r1: pushed function (to be verified)
   __ JumpIfSmi(r1, &non_function);
 
-  // The receiver might implicitly be the global object. This is
-  // indicated by passing the hole as the receiver to the call
-  // function stub.
-  if (ReceiverMightBeImplicit() || ReceiverIsImplicit()) {
-    Label try_call, call, patch_current_context;
-    if (ReceiverMightBeImplicit()) {
-      // Get the receiver from the stack.
-      // function, receiver [, arguments]
-      __ ldr(r4, MemOperand(sp, argc_ * kPointerSize));
-      // Call as function is indicated with the hole.
-      __ CompareRoot(r4, Heap::kTheHoleValueRootIndex);
-      __ b(ne, &try_call);
-    }
-    // Patch the receiver on the stack with the global receiver object.
-    // Goto slow case if we do not have a function.
-    __ CompareObjectType(r1, r3, r3, JS_FUNCTION_TYPE);
-    __ b(ne, &patch_current_context);
-    CallStubCompiler::FetchGlobalProxy(masm, r3, r1);
-    __ str(r3, MemOperand(sp, argc_ * kPointerSize));
-    __ jmp(&call);
-
-    __ bind(&patch_current_context);
-    __ LoadRoot(r4, Heap::kUndefinedValueRootIndex);
-    __ str(r4, MemOperand(sp, argc_ * kPointerSize));
-    __ jmp(&slow);
-
-    __ bind(&try_call);
-    // Get the map of the function object.
-    __ CompareObjectType(r1, r3, r3, JS_FUNCTION_TYPE);
-    __ b(ne, &slow);
-
-    __ bind(&call);
-  } else {
-    // Get the map of the function object.
-    __ CompareObjectType(r1, r3, r3, JS_FUNCTION_TYPE);
-    __ b(ne, &slow);
-  }
+  // Goto slow case if we do not have a function.
+  __ CompareObjectType(r1, r3, r3, JS_FUNCTION_TYPE);
+  __ b(ne, &slow);
 
   if (RecordCallTarget()) {
     GenerateRecordCallTarget(masm);
   }
 
   // Fast-case: Invoke the function now.
   // r1: pushed function
   ParameterCount actual(argc_);
 
-  if (ReceiverMightBeImplicit()) {
-    Label call_as_function;
-    __ CompareRoot(r4, Heap::kTheHoleValueRootIndex);
-    __ b(eq, &call_as_function);
-    __ InvokeFunction(r1,
-                      actual,
-                      JUMP_FUNCTION,
-                      NullCallWrapper(),
-                      CALL_AS_METHOD);
-    __ bind(&call_as_function);
-  }
   __ InvokeFunction(r1,
                     actual,
                     JUMP_FUNCTION,
                     NullCallWrapper(),
                     CALL_AS_FUNCTION);
 
   // Slow-case: Non-function called.
   __ bind(&slow);
   if (RecordCallTarget()) {
     // If there is a call target cache, mark it megamorphic in the
@@ skipping 18 matching lines @@
     __ Jump(adaptor, RelocInfo::CODE_TARGET);
   }
 
   // CALL_NON_FUNCTION expects the non-function callee as receiver (instead
   // of the original receiver from the call site).
   __ bind(&non_function);
   __ str(r1, MemOperand(sp, argc_ * kPointerSize));
   __ mov(r0, Operand(argc_));  // Set up the number of arguments.
   __ mov(r2, Operand::Zero());
   __ GetBuiltinEntry(r3, Builtins::CALL_NON_FUNCTION);
-  __ SetCallKind(r5, CALL_AS_METHOD);
+  __ SetCallKind(r5, CALL_AS_FUNCTION);
   __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),
           RelocInfo::CODE_TARGET);
 }
 
 
 void CallConstructStub::Generate(MacroAssembler* masm) {
   // r0 : number of arguments
   // r1 : the function to call
   // r2 : cache cell for call target
   Label slow, non_function_call;
@@ skipping 2550 matching lines @@
   __ bind(&fast_elements_case);
   GenerateCase(masm, FAST_ELEMENTS);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM