Fix typed lowering of JSToBoolean on number inputs.

test/cctest/compiler/test-js-typed-lowering.cc

Index: test/cctest/compiler/test-js-typed-lowering.cc
diff --git a/test/cctest/compiler/test-js-typed-lowering.cc b/test/cctest/compiler/test-js-typed-lowering.cc
index 0bee87ac83e729d9cf0928291667f8b010f377f6..9d0d720d26afba20504d5992f101ad83a7872464 100644
--- a/test/cctest/compiler/test-js-typed-lowering.cc
+++ b/test/cctest/compiler/test-js-typed-lowering.cc
@@ -506,7 +506,8 @@ TEST(JSToBoolean) {
 TEST(JSToBoolean_replacement) {
   JSTypedLoweringTester R;
 
-  Type* types[] = {Type::Null(), Type::Undefined(), Type::Boolean(),
+  Type* types[] = {Type::Null(),             Type::Undefined(),
+                   Type::Boolean(),          Type::Number(),
                    Type::DetectableObject(), Type::Undetectable()};
 
   for (size_t i = 0; i < arraysize(types); i++) {
@@ -521,6 +522,8 @@ TEST(JSToBoolean_replacement) {
 
     if (types[i]->Is(Type::Boolean())) {
       CHECK_EQ(n, r);
+    } else if (types[i]->Is(Type::Number())) {
+      CHECK_EQ(IrOpcode::kBooleanNot, r->opcode());

[titzer, 2014/09/03 11:24:49]

Check it's actually BooleanNot(NumberEqual(x, 0))

?

[Michael Starzinger, 2014/09/03 11:33:00]

As discussed offline: This is already checked in the above test case, see line
479 above. So we'll leave it as it is.

     } else {
       CHECK_EQ(IrOpcode::kHeapConstant, r->opcode());
     }