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* Frontend: Define __EXCEPTIONS if -fexceptions is passedDavid Majnemer2014-10-271-1/+1
| | | | | | | | | GCC defines __EXCEPTIONS, regardless of language mode, if -fexceptions is passed. We should do the same. This fixes PR21358. llvm-svn: 220714
* Make -fobjc-nonfragile-abi the -cc1 default, since it's theJohn McCall2011-10-021-4/+4
| | | | | | | | | | | | | | | | | | | increasingly prevailing case to the point that new features like ARC don't even support the fragile ABI anymore. This required a little bit of reshuffling with exceptions because a check was assuming that ObjCNonFragileABI was only being set in ObjC mode, and that's actually a bit obnoxious to do. Most, though, it involved a perl script to translate a ton of test cases. Mostly no functionality change for driver users, although there are corner cases with disabling language-specific exceptions that we should handle more correctly now. llvm-svn: 140957
* Only predefine the __EXCEPTIONS macro if C++ exceptions are turned on.Douglas Gregor2011-09-121-0/+15
Only predefine the OBJC_ZEROCOST_EXCEPTIONS macro if Objective-C exceptions are turned on. Fixes PR10910. llvm-svn: 139496
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