Merged r16772, r18000, r18030, r18298, r18319 into 3.21 branch.

src/mips/lithium-codegen-mips.h

Index: src/mips/lithium-codegen-mips.h
diff --git a/src/mips/lithium-codegen-mips.h b/src/mips/lithium-codegen-mips.h
index 84105cae35fe0801b5db1f093e9aaa15e3cf2382..9735c5b0f20111ee91288dad2cf791dd7b3931e7 100644
--- a/src/mips/lithium-codegen-mips.h
+++ b/src/mips/lithium-codegen-mips.h
@@ -218,6 +218,9 @@ class LCodeGen V8_FINAL  BASE_EMBEDDED {
 
   void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); }
 
+  void SaveCallerDoubles();
+  void RestoreCallerDoubles();
+
   // Code generation passes.  Returns true if code generation should
   // continue.
   bool GeneratePrologue();