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* Make clang -cc1 disable Objective-C exceptions by default, and add a ↵Anders Carlsson2011-02-221-1/+1
| | | | | | | | -fobjc-exceptions flag to turn them on. Update all tests accordingly. llvm-svn: 126177
* Diagnose unused exception parameters under a different warning groupDouglas Gregor2010-05-031-0/+4
(-Wunused-exception-parameter) than normal variables, since it's more common to name and then ignore an exception parameter. This warning is neither enabled by default nor by -Wall. Fixes <rdar://problem/7931045>. llvm-svn: 102931
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