PPC/S390: Fix %FunctionGetName and %_ClassOf for bound functions.

src/crankshaft/ppc/lithium-codegen-ppc.cc

Index: src/crankshaft/ppc/lithium-codegen-ppc.cc
diff --git a/src/crankshaft/ppc/lithium-codegen-ppc.cc b/src/crankshaft/ppc/lithium-codegen-ppc.cc
index 1cd869111b7e1c74cdab136402a72ec4fbc81233..de4b9fea26ed3e2a299e078b65aa9a4c1131593d 100644
--- a/src/crankshaft/ppc/lithium-codegen-ppc.cc
+++ b/src/crankshaft/ppc/lithium-codegen-ppc.cc
@@ -2493,11 +2493,12 @@ void LCodeGen::EmitClassOfTest(Label* is_true, Label* is_false,
 
   __ JumpIfSmi(input, is_false);
 
-  __ CompareObjectType(input, temp, temp2, JS_FUNCTION_TYPE);
+  __ CompareObjectType(input, temp, temp2, FIRST_FUNCTION_TYPE);
+  STATIC_ASSERT(LAST_FUNCTION_TYPE == LAST_TYPE);
   if (String::Equals(isolate()->factory()->Function_string(), class_name)) {
-    __ beq(is_true);
+    __ bge(is_true);
   } else {
-    __ beq(is_false);
+    __ bge(is_false);
   }
 
   // Check if the constructor in the map is a function.