Revert revision 7582.

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
===================================================================
--- src/arm/code-stubs-arm.cc	(revision 7593)
+++ src/arm/code-stubs-arm.cc	(working copy)
@@ -2375,11 +2375,9 @@
           // DIV just falls through to allocating a heap number.
         }
 
-        __ bind(&return_heap_number);
-        // Return a heap number, or fall through to type transition or runtime
-        // call if we can't.
         if (result_type_ >= (op_ == Token::DIV) ? TRBinaryOpIC::HEAP_NUMBER
                                                 : TRBinaryOpIC::INT32) {
+          __ bind(&return_heap_number);
           // We are using vfp registers so r5 is available.
           heap_number_result = r5;
           GenerateHeapResultAllocation(masm,
@@ -2542,11 +2540,7 @@
       UNREACHABLE();
   }
 
-  // We never expect DIV to yield an integer result, so we always generate
-  // type transition code for DIV operations expecting an integer result: the
-  // code will fall through to this type transition.
-  if (transition.is_linked() ||
-      ((op_ == Token::DIV) && (result_type_ <= TRBinaryOpIC::INT32))) {
+  if (transition.is_linked()) {
     __ bind(&transition);
     GenerateTypeTransition(masm);
   }