Merge r7683, r7685 from the bleeding_edge into 3.1 branch.

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
===================================================================
--- src/arm/code-stubs-arm.cc	(revision 7699)
+++ src/arm/code-stubs-arm.cc	(working copy)
@@ -3425,6 +3425,8 @@
         // Save the left value on the stack.
         __ Push(r5, r4);
 
+        Label pop_and_call_runtime;
+
         // Allocate a heap number to store the result.
         heap_number_result = r5;
         GenerateHeapResultAllocation(masm,
@@ -3432,7 +3434,7 @@
                                      heap_number_map,
                                      scratch1,
                                      scratch2,
-                                     &call_runtime);
+                                     &pop_and_call_runtime);
 
         // Load the left value from the value saved on the stack.
         __ Pop(r1, r0);
@@ -3440,6 +3442,10 @@
         // Call the C function to handle the double operation.
         FloatingPointHelper::CallCCodeForDoubleOperation(
             masm, op_, heap_number_result, scratch1);
+
+        __ bind(&pop_and_call_runtime);
+        __ Drop(2);
+        __ b(&call_runtime);
       }
 
       break;