Reviewers: Dmitry Lomov (chromium),

Description:
Fix a few nits found by PVS Studio

BUG=v8:3192
LOG=n

Please review this at https://codereview.chromium.org/185563004/

Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Affected files (+13, -16 lines):
  M src/deoptimizer.cc
  M src/hydrogen.cc
  M src/objects.cc
  M src/parser.cc
  M test/cctest/test-api.cc
  M test/cctest/test-strings.cc


Index: src/deoptimizer.cc
diff --git a/src/deoptimizer.cc b/src/deoptimizer.cc
index 467931c04a5c94f5211f90ab696453846a0724fc..554ba8e7b17f272e5f4dbfbad51df460343bcc8a 100644
--- a/src/deoptimizer.cc
+++ b/src/deoptimizer.cc
@@ -693,8 +693,7 @@ int Deoptimizer::GetDeoptimizationId(Isolate* isolate,
   DeoptimizerData* data = isolate->deoptimizer_data();
   MemoryChunk* base = data->deopt_entry_code_[type];
   Address start = base->area_start();
-  if (base == NULL ||
-      addr < start ||
+  if (addr < start ||
       addr >= start + (kMaxNumberOfEntries * table_entry_size_)) {
     return kNotDeoptimizationEntry;
   }
Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 9dab15565b633ae770efcca6d302546b6a86c7ab..31fcd4ca46549f5adc575766f2dce2ec90186da1 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -12643,9 +12643,10 @@ void HStatistics::Print() {
   double normalized_time =  source_size_in_kb > 0
       ? total.InMillisecondsF() / source_size_in_kb
       : 0;
-  double normalized_size_in_kb = source_size_in_kb > 0
-      ? total_size_ / 1024 / source_size_in_kb
-      : 0;
+  double normalized_size_in_kb =
+      source_size_in_kb > 0
+          ? static_cast<double>(total_size_) / 1024 / source_size_in_kb
+          : 0;
   PrintF("%33s %8.3f ms           %7.3f kB allocated\n",
          "Average per kB source", normalized_time, normalized_size_in_kb);
 }
Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 74a16baa340fd46bf81554f510a0ee457e8341c9..9933e9c61497c8d3307ea4643cc96b65bc0eca07 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -7197,7 +7197,7 @@ class IntrusiveMapTransitionIterator {
     int value = Smi::cast(*IteratorField())->value();
     int index = -value - 1;
     int number_of_transitions = transition_array_->number_of_transitions();
-    while (index < number_of_transitions) {
+    if (index < number_of_transitions) {
       *IteratorField() = Smi::FromInt(value - 1);
       return transition_array_->GetTarget(index);
     }
Index: src/parser.cc
diff --git a/src/parser.cc b/src/parser.cc
index ab9d6b7e5b00b75c452454b6d35ac28a7ccc04fe..c5bf0d977708df914299099f36f197a0e5b55eca 100644
--- a/src/parser.cc
+++ b/src/parser.cc
@@ -3203,7 +3203,7 @@ Statement* Parser::ParseForStatement(ZoneList<const AstRawString*>* labels,
       Scanner::Location lhs_location = scanner()->peek_location();
       Expression* expression = ParseExpression(false, CHECK_OK);
       ForEachStatement::VisitMode mode;
-      bool accept_OF = expression->AsVariableProxy();
+      bool accept_OF = expression->IsVariableProxy();

       if (CheckInOrOf(accept_OF, &mode)) {
         expression = this->CheckAndRewriteReferenceExpression(
Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index fc74a42d1e2d99d4637570a3b2be706808c4ac24..0e6d1282d6644ed70d539bec71fa8c222f351ded 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -15148,7 +15148,7 @@ THREADED_TEST(PropertyEnumeration2) {
   v8::Handle<v8::Array> props = val.As<v8::Object>()->GetPropertyNames();
   CHECK_EQ(0, props->Length());
   for (uint32_t i = 0; i < props->Length(); i++) {
-    printf("p[%d]\n", i);
+    printf("p[%u]\n", i);
   }
 }

Index: test/cctest/test-strings.cc
diff --git a/test/cctest/test-strings.cc b/test/cctest/test-strings.cc
index 76c1612c8742e2bf5006bee64bc50652a55b8b35..e01c7670346df70aacd7b4820259aa58062552ea 100644
--- a/test/cctest/test-strings.cc
+++ b/test/cctest/test-strings.cc
@@ -630,14 +630,11 @@ static void VerifyCharacterStream(

 static inline void PrintStats(const ConsStringGenerationData& data) {
 #ifdef DEBUG
-printf(
-    "%s: [%d], %s: [%d], %s: [%d], %s: [%d], %s: [%d], %s: [%d]\n",
-    "leaves", data.stats_.leaves_,
-    "empty", data.stats_.empty_leaves_,
-    "chars", data.stats_.chars_,
-    "lefts", data.stats_.left_traversals_,
-    "rights", data.stats_.right_traversals_,
-    "early_terminations", data.early_terminations_);
+  printf("%s: [%u], %s: [%u], %s: [%u], %s: [%u], %s: [%u], %s: [%u]\n",
+         "leaves", data.stats_.leaves_, "empty", data.stats_.empty_leaves_,
+ "chars", data.stats_.chars_, "lefts", data.stats_.left_traversals_,
+         "rights", data.stats_.right_traversals_, "early_terminations",
+         data.early_terminations_);
 #endif
 }



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