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Author SHA1 Message Date
Richard Smith 52be619c84 Add -fsanitize=<sanitizers> argument to driver and frontend, and add 
-fno-sanitize=<sanitizers> argument to driver. These allow ASan, TSan, and the
various UBSan checks to be enabled and disabled separately. Right now, the
different modes can't be combined, but the intention is that combining UBSan
and the other sanitizers will be permitted in the near future.

Currently, the UBSan checks will all be enabled if any of them is; that will be
fixed by the next patch.

llvm-svn: 167411
 2012-11-05 22:04:41 +00:00
Alexander Potapenko 34b46ca48e Use an explicit target to test that source fortification is off when building for Darwin with -faddress-sanitizer. 
llvm-svn: 164485
 2012-09-24 10:25:24 +00:00
Alexander Potapenko b4f819086a Disable source fortification on Darwin with AddressSanitizer. 
ASan doesn't play well with -D_FORTIFY_SOURCE, which is enabled by default starting at OS X 10.7

llvm-svn: 164299
 2012-09-20 10:10:01 +00:00