Fix some -Werror=sign-compare errors

R=svenpanne@chromium.org
LOG=N
BUG=

Review URL: https://codereview.chromium.org/1072333002

Cr-Commit-Position: refs/heads/master@{#27752}

src/utils.h

@@ -41,7 +41,7 @@ inline int WhichPowerOf2(uint32_t x) {
   DCHECK(base::bits::IsPowerOfTwo32(x));
   int bits = 0;
 #ifdef DEBUG
-  int original_x = x;
+  uint32_t original_x = x;
 #endif
   if (x >= 0x10000) {
     bits += 16;
@@ -62,7 +62,7 @@ inline int WhichPowerOf2(uint32_t x) {
     case 2: bits++;  // Fall through.
     case 1: break;
   }
-  DCHECK_EQ(1 << bits, original_x);
+  DCHECK_EQ(static_cast<uint32_t>(1) << bits, original_x);
   return bits;
 }
 
@@ -97,7 +97,7 @@ inline int WhichPowerOf2_64(uint64_t x) {
     case 2: bits++;  // Fall through.
     case 1: break;
   }
-  DCHECK_EQ(1L << bits, original_x);
+  DCHECK_EQ(static_cast<uint64_t>(1) << bits, original_x);
   return bits;
 }
 

test/cctest/test-cpu-profiler.cc

@@ -1721,7 +1721,7 @@ const char* GetBranchDeoptReason(i::CpuProfile* iprofile, const char* branch[],
   v8::CpuProfile* profile = reinterpret_cast<v8::CpuProfile*>(iprofile);
   const ProfileNode* iopt_function = NULL;
   iopt_function = GetSimpleBranch(profile, branch, length);
-  CHECK_EQ(1, iopt_function->deopt_infos().size());
+  CHECK_EQ(1U, iopt_function->deopt_infos().size());
   return iopt_function->deopt_infos()[0].deopt_reason;
 }
 
@@ -1902,11 +1902,11 @@ TEST(DeoptAtFirstLevelInlinedSource) {
       GetSimpleBranch(profile, branch, arraysize(branch));
   const std::vector<v8::CpuProfileDeoptInfo>& deopt_infos =
       itest_node->deopt_infos();
-  CHECK_EQ(1, deopt_infos.size());
+  CHECK_EQ(1U, deopt_infos.size());
 
   const v8::CpuProfileDeoptInfo& info = deopt_infos[0];
   CHECK_EQ(reason(i::Deoptimizer::kNotAHeapNumber), info.deopt_reason);
-  CHECK_EQ(2, info.stack.size());
+  CHECK_EQ(2U, info.stack.size());
   CHECK_EQ(inlined_script_id, info.stack[0].script_id);
   CHECK_EQ(offset(inlined_source, "left /"), info.stack[0].position);
   CHECK_EQ(script_id, info.stack[1].script_id);
@@ -1975,11 +1975,11 @@ TEST(DeoptAtSecondLevelInlinedSource) {
       GetSimpleBranch(profile, branch, arraysize(branch));
   const std::vector<v8::CpuProfileDeoptInfo>& deopt_infos =
       itest_node->deopt_infos();
-  CHECK_EQ(1, deopt_infos.size());
+  CHECK_EQ(1U, deopt_infos.size());
 
   const v8::CpuProfileDeoptInfo info = deopt_infos[0];
   CHECK_EQ(reason(i::Deoptimizer::kNotAHeapNumber), info.deopt_reason);
-  CHECK_EQ(3, info.stack.size());
+  CHECK_EQ(3U, info.stack.size());
   CHECK_EQ(inlined_script_id, info.stack[0].script_id);
   CHECK_EQ(offset(inlined_source, "left /"), info.stack[0].position);
   CHECK_EQ(script_id, info.stack[1].script_id);
@@ -2031,7 +2031,7 @@ TEST(DeoptUntrackedFunction) {
   const char* branch[] = {"", "test"};
   const ProfileNode* itest_node =
       GetSimpleBranch(profile, branch, arraysize(branch));
-  CHECK_EQ(0, itest_node->deopt_infos().size());
+  CHECK_EQ(0U, itest_node->deopt_infos().size());
 
   iprofiler->DeleteProfile(iprofile);
 }