[stubs] Port CreateWeakCellStub to turbofan

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index acfe29e096a7f8bf21b1e6d972e080d992bbd14a..59fa420d23a98ffc1ba1db9c474dfa3a98d1a180 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -1766,7 +1766,8 @@ static void CallStubInRecordCallTarget(MacroAssembler* masm, CodeStub* stub) {
   const RegList kSavedRegs = 1 << 4 |  // a0
                              1 << 5 |  // a1
                              1 << 6 |  // a2
-                             1 << 7;   // a3
+                             1 << 7 |  // a3
+                             1 << cp.code();
 
   // Number-of-arguments register must be smi-tagged to call out.
   __ SmiTag(a0);
@@ -2064,9 +2065,9 @@ void CallICStub::Generate(MacroAssembler* masm) {
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     CreateWeakCellStub create_stub(masm->isolate());
-    __ Push(a1);
+    __ Push(cp, a1);
     __ CallStub(&create_stub);
-    __ Pop(a1);
+    __ Pop(cp, a1);
   }
 
   __ Branch(&call_function);