[Interpreter] Fix GenerateSmiToDouble to avoid assuming it is called from a JSFrame.

src/ia32/codegen-ia32.cc

Index: src/ia32/codegen-ia32.cc
diff --git a/src/ia32/codegen-ia32.cc b/src/ia32/codegen-ia32.cc
index 36c83cce238357b2e0d37a41d1c2e30181a0101b..267fe5c596d2d14e13d8bfc25f722e26be3353b5 100644
--- a/src/ia32/codegen-ia32.cc
+++ b/src/ia32/codegen-ia32.cc
@@ -580,6 +580,7 @@ void ElementsTransitionGenerator::GenerateSmiToDouble(
 
   __ push(eax);
   __ push(ebx);
+  __ push(esi);
 
   __ mov(edi, FieldOperand(edi, FixedArray::kLengthOffset));
 
@@ -620,8 +621,9 @@ void ElementsTransitionGenerator::GenerateSmiToDouble(
 
   // Call into runtime if GC is required.
   __ bind(&gc_required);
+
   // Restore registers before jumping into runtime.
-  __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
+  __ pop(esi);
   __ pop(ebx);
   __ pop(eax);
   __ jmp(fail);
@@ -656,12 +658,11 @@ void ElementsTransitionGenerator::GenerateSmiToDouble(
   __ sub(edi, Immediate(Smi::FromInt(1)));
   __ j(not_sign, &loop);
 
+  // Restore registers.
+  __ pop(esi);
   __ pop(ebx);
   __ pop(eax);
 
-  // Restore esi.
-  __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
-
   __ bind(&only_change_map);
   // eax: value
   // ebx: target map