roll clang 136602:137532

Includes parser support for C++0x lamba expressions and improved array
length checking warnings. scan-build has C++ enabled by default.

BUG=none
TEST=none
TBR=hans

Review URL: http://codereview.chromium.org/7645011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@96687 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -28,7 +28,7 @@ vars = {
 
   # Note: On most bots, clang is not checked out via DEPS but by
   # tools/clang/scripts/update.sh. The script reads this line here.
-  "clang_revision": "136602",
+  "clang_revision": "137532",
 }
 
 deps = {