[compiler] Remove support for concurrent OSR.

src/mips/builtins-mips.cc

Index: src/mips/builtins-mips.cc
diff --git a/src/mips/builtins-mips.cc b/src/mips/builtins-mips.cc
index 09f4d59e356c0b8fe83fadc09f8de16b9b8e4e94..893e6d6460e14730e643eefe02869499fd61831e 100644
--- a/src/mips/builtins-mips.cc
+++ b/src/mips/builtins-mips.cc
@@ -1435,23 +1435,6 @@ 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(at, Heap::kStackLimitRootIndex);
-  __ Branch(&ok, hs, sp, Operand(at));
-  {
-    FrameScope 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) {