[NOT TO COMMIT!] Merge Chromium-specific changes in tcmalloc thru. the original gperftools r136.

third_party/tcmalloc/chromium/src/base/logging.h

Index: third_party/tcmalloc/chromium/src/base/logging.h
diff --git a/third_party/tcmalloc/chromium/src/base/logging.h b/third_party/tcmalloc/chromium/src/base/logging.h
index d6a6ab58abf5ab62966a68b1a20e0622d9a5a603..d06d6a6d92ec3557d062ec5c35eeecca78392d76 100644
--- a/third_party/tcmalloc/chromium/src/base/logging.h
+++ b/third_party/tcmalloc/chromium/src/base/logging.h
@@ -197,7 +197,7 @@ enum LogSeverity {INFO = -1, WARNING = -2, ERROR = -3, FATAL = -4};
 inline void LogPrintf(int severity, const char* pat, va_list ap) {
   // We write directly to the stderr file descriptor and avoid FILE
   // buffering because that may invoke malloc()
-  char buf[600];
+  char buf[1600];
   perftools_vsnprintf(buf, sizeof(buf)-1, pat, ap);
   if (buf[0] != '\0' && buf[strlen(buf)-1] != '\n') {
     assert(strlen(buf)+1 < sizeof(buf));