[turbofan] Remove special JSForInStep and JSForInDone.

src/full-codegen/mips/full-codegen-mips.cc

Index: src/full-codegen/mips/full-codegen-mips.cc
diff --git a/src/full-codegen/mips/full-codegen-mips.cc b/src/full-codegen/mips/full-codegen-mips.cc
index 7c398ab0dd0e250b8125a9a40aad7034ccc5aca4..8e76eb072572346f240ce5447d070ea248270c2a 100644
--- a/src/full-codegen/mips/full-codegen-mips.cc
+++ b/src/full-codegen/mips/full-codegen-mips.cc
@@ -1126,6 +1126,7 @@ void FullCodeGenerator::VisitForInStatement(ForInStatement* stmt) {
   // Generate code for the going to the next element by incrementing
   // the index (smi) stored on top of the stack.
   __ bind(loop_statement.continue_label());
+  PrepareForBailoutForId(stmt->IncrementId(), BailoutState::NO_REGISTERS);
   __ pop(a0);
   __ Addu(a0, a0, Operand(Smi::FromInt(1)));
   __ push(a0);