Remove CompilationInfo::MayUseThis() and replace it with what we really want to know: MustReplaceUn…

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index 56418e5e9373ab697672aa947bf2758cfa1bfe3d..270b9335596a923ad451bf30dbf8afc1860166d1 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -118,8 +118,7 @@ bool LCodeGen::GeneratePrologue() {
     // Sloppy mode functions and builtins need to replace the receiver with the
     // global proxy when called as functions (without an explicit receiver
     // object).
-    if (is_sloppy(info_->language_mode()) && info()->MayUseThis() &&
-        !info_->is_native() && info_->scope()->has_this_declaration()) {
+    if (info()->MustReplaceUndefinedReceiverWithGlobalProxy()) {
       Label ok;
       int receiver_offset = info_->scope()->num_parameters() * kPointerSize;
       __ ldr(r2, MemOperand(sp, receiver_offset));