Fix CPU profiling for Crankshaft.

test/cctest/test-log.cc

Index: test/cctest/test-log.cc
diff --git a/test/cctest/test-log.cc b/test/cctest/test-log.cc
index 032a1836612eeed41220034a358ca102197e4532..30b8a48dbf07eaa20370c5ce66e7e43f465f5160 100644
--- a/test/cctest/test-log.cc
+++ b/test/cctest/test-log.cc
@@ -1053,10 +1053,10 @@ static bool AreFuncNamesEqual(CodeEntityInfo ref_s, CodeEntityInfo new_s) {
   // Skip size.
   ref_s = strchr(ref_s, ',') + 1;
   new_s = strchr(new_s, ',') + 1;
-  int ref_len = StrChrLen(ref_s, '\n');
-  int new_len = StrChrLen(new_s, '\n');
-  // If reference is anonymous (""), it's OK to have anything in new.
-  if (ref_len == 2) return true;
+  CHECK_EQ('"', ref_s[0]);
+  CHECK_EQ('"', new_s[0]);
+  int ref_len = StrChrLen(ref_s + 1, '\"');
+  int new_len = StrChrLen(new_s + 1, '\"');
   // A special case for ErrorPrototype. Haven't yet figured out why they
   // are different.
   const char* error_prototype = "\"ErrorPrototype";
@@ -1074,21 +1074,6 @@ static bool AreFuncNamesEqual(CodeEntityInfo ref_s, CodeEntityInfo new_s) {
       return true;
     }
   }
-  // Code objects can change their optimizability: code object may start
-  // as optimizable, but later be discovered to be actually not optimizable.
-  // Alas, we don't record this info as of now, so we allow cases when
-  // ref is thought to be optimizable while traverse finds it to be
-  // not optimizable.
-  if (ref_s[1] == '~') {  // Code object used to be optimizable
-    if (new_s[1] == ' ') {  // ...but later was set unoptimizable.
-      CHECK_EQ('"', ref_s[0]);
-      CHECK_EQ('"', new_s[0]);
-      ref_s += 2;  // Cut the leading quote and the marker
-      ref_len -= 2;
-      new_s += 1;  // Cut the leading quote only.
-      new_len -= 1;
-    }
-  }
   return ref_len == new_len && strncmp(ref_s, new_s, ref_len) == 0;
 }