X87: fix one GC issue.

src/x87/lithium-codegen-x87.cc

Index: src/x87/lithium-codegen-x87.cc
diff --git a/src/x87/lithium-codegen-x87.cc b/src/x87/lithium-codegen-x87.cc
index f8872d718714f2656b19b7720d9d817b798aae62..11b65f19d677312ce05a672e3e01a7cffeafd0f6 100644
--- a/src/x87/lithium-codegen-x87.cc
+++ b/src/x87/lithium-codegen-x87.cc
@@ -4064,7 +4064,7 @@ void LCodeGen::DoMathSqrt(LMathSqrt* instr) {
     __ push(temp_result);
     __ CallRuntimeSaveDoubles(Runtime::kMathSqrtRT);
     RecordSafepointWithRegisters(
-        instr->pointer_map(), 0, Safepoint::kNoLazyDeopt);
+        instr->pointer_map(), 1, Safepoint::kNoLazyDeopt);
     __ StoreToSafepointRegisterSlot(temp_result, eax);
   }
   X87PrepareToWrite(result_reg);
@@ -4278,7 +4278,7 @@ void LCodeGen::DoMathExp(LMathExp* instr) {
     __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
     __ push(temp_result);
     __ CallRuntimeSaveDoubles(Runtime::kMathExpRT);
-    RecordSafepointWithRegisters(instr->pointer_map(), 0,
+    RecordSafepointWithRegisters(instr->pointer_map(), 1,
                                  Safepoint::kNoLazyDeopt);
     __ StoreToSafepointRegisterSlot(temp_result, eax);
   }