[compiler] Remove support for concurrent OSR.

src/arm/builtins-arm.cc

Index: src/arm/builtins-arm.cc
diff --git a/src/arm/builtins-arm.cc b/src/arm/builtins-arm.cc
index a6bfdb128d4b750d3b4245176e7ce1761eebbc12..4eb19c564730449749a4e66394972de8abb20079 100644
--- a/src/arm/builtins-arm.cc
+++ b/src/arm/builtins-arm.cc
@@ -1430,24 +1430,6 @@ void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
 }
 
 
-void Builtins::Generate_OsrAfterStackCheck(MacroAssembler* masm) {
-  // We check the stack limit as indicator that recompilation might be done.
-  Label ok;
-  __ LoadRoot(ip, Heap::kStackLimitRootIndex);
-  __ cmp(sp, Operand(ip));
-  __ b(hs, &ok);
-  {
-    FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
-    __ CallRuntime(Runtime::kStackGuard);
-  }
-  __ Jump(masm->isolate()->builtins()->OnStackReplacement(),
-          RelocInfo::CODE_TARGET);
-
-  __ bind(&ok);
-  __ Ret();
-}
-
-
 // static
 void Builtins::Generate_DatePrototype_GetField(MacroAssembler* masm,
                                                int field_index) {