Perform receiver patching for sloppy mode in high-level IR.

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

Index: src/compiler/arm/code-generator-arm.cc
diff --git a/src/compiler/arm/code-generator-arm.cc b/src/compiler/arm/code-generator-arm.cc
index f4b871629dece54763870570168a42514c090c49..c0a1873dfba5583c67bcbf2502d428b35debfced 100644
--- a/src/compiler/arm/code-generator-arm.cc
+++ b/src/compiler/arm/code-generator-arm.cc
@@ -738,24 +738,6 @@ void CodeGenerator::AssemblePrologue() {
     __ Prologue(info->IsCodePreAgingActive());
     frame()->SetRegisterSaveAreaSize(
         StandardFrameConstants::kFixedFrameSizeFromFp);
-
-    // Sloppy mode functions and builtins need to replace the receiver with the
-    // global proxy when called as functions (without an explicit receiver
-    // object).
-    // TODO(mstarzinger/verwaest): Should this be moved back into the CallIC?
-    if (info->strict_mode() == SLOPPY && !info->is_native()) {
-      Label ok;
-      // +2 for return address and saved frame pointer.
-      int receiver_slot = info->scope()->num_parameters() + 2;
-      __ ldr(r2, MemOperand(fp, receiver_slot * kPointerSize));
-      __ CompareRoot(r2, Heap::kUndefinedValueRootIndex);
-      __ b(ne, &ok);
-      __ ldr(r2, GlobalObjectOperand());
-      __ ldr(r2, FieldMemOperand(r2, GlobalObject::kGlobalProxyOffset));
-      __ str(r2, MemOperand(fp, receiver_slot * kPointerSize));
-      __ bind(&ok);
-    }
-
   } else {
     __ StubPrologue();
     frame()->SetRegisterSaveAreaSize(