[turbofan] Remove special JSForInStep and JSForInDone.

src/full-codegen/mips64/full-codegen-mips64.cc

Index: src/full-codegen/mips64/full-codegen-mips64.cc
diff --git a/src/full-codegen/mips64/full-codegen-mips64.cc b/src/full-codegen/mips64/full-codegen-mips64.cc
index e9e1956e55a4d98b04eff49e2b970c719f4b8244..12d0d765a8eb2dcb4ccd2349575c6a6fbd29c74b 100644
--- a/src/full-codegen/mips64/full-codegen-mips64.cc
+++ b/src/full-codegen/mips64/full-codegen-mips64.cc
@@ -1127,6 +1127,7 @@ 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);
   __ Daddu(a0, a0, Operand(Smi::FromInt(1)));
   __ push(a0);