Revert 120417 - roll clang 148911:149419
Revert 120417 - roll clang 148911:149419

This pulled a bad revision of clang, that made mac_rel try bots sick.
BUG=112977
TEST=cross fingers.

Should fix -Wformat issues on 10.6.

test/Index/crash-recovery-modules.m fails locally at this revision, but we don't use the modules stuff yet anyway, so I disabled that test locally for this roll.

BUG=111861
TEST=none
TBR=hans

Review URL: http://codereview.chromium.org/9316097

TBR=thakis@chromium.org
Review URL: https://chromiumcodereview.appspot.com/9347015

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@120733 0039d316-1c4b-4281-b951-d872f2087c98

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