Remove a generated mov and jmp.

src/ia32/fast-codegen-ia32.cc

Index: src/ia32/fast-codegen-ia32.cc
diff --git a/src/ia32/fast-codegen-ia32.cc b/src/ia32/fast-codegen-ia32.cc
index 39c77eeade0fa419cf083ac161d6ed181773d162..9bab75aa613146cca05e3d4284be64d3a468b17d 100644
--- a/src/ia32/fast-codegen-ia32.cc
+++ b/src/ia32/fast-codegen-ia32.cc
@@ -165,14 +165,10 @@ void FastCodeGenerator::EmitBitOr() {
   } else {
     // Preserve the destination operand in a scratch register in case of
     // bailout.
-    Label done;
     __ mov(scratch0(), destination());
     __ or_(destination(), Operand(other_accumulator(destination())));
     __ test(destination(), Immediate(kSmiTagMask));
-    __ j(zero, &done, taken);
-    __ mov(destination(), scratch0());
-    __ jmp(bailout());
-    __ bind(&done);
+    __ j(not_zero, bailout(), not_taken);
   }
 
   // If we didn't bailout, the result (in fact, both inputs too) is known to