Index: site/dev/contrib/c++11.md |
diff --git a/site/dev/contrib/c++11.md b/site/dev/contrib/c++11.md |
index 1854feb3b60b2c430c4e522d2a451e8f6393e521..432ad88f3a80689533927ab744d620dcd1ef4e27 100644 |
--- a/site/dev/contrib/c++11.md |
+++ b/site/dev/contrib/c++11.md |
@@ -24,7 +24,9 @@ internal Google projects. |
Chrome builds with a recent Clang on Mac and Linux and with a recent MSVC on |
Windows. These toolchains are new enough to not be the weak link to use any |
-C++11 language feature. |
+C++11 language feature. Chromium, however, builds against libstdc++4.6.4 |
+(STL and runtime) on Linux. This precludes direct use of a number of type |
+traits. |
Chrome intentionally disables thread-safe initialization of static variables, |
so we cannot rely on that. Our bots disable this too, so keep an eye on TSAN. |