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Author SHA1 Message Date
Kristof Umann e20b388e2f [analyzer] Push correct version of 'Track indices of arrays' 
Messed up the commit, oops.

llvm-svn: 363512
 2019-06-16 15:41:25 +00:00
Kristof Umann 33b46a6df0 [analyzer] Track indices of arrays 
Often times, when an ArraySubscriptExpr was reported as null or
undefined, the bug report was difficult to understand, because the
analyzer explained why arr[i] has that value, but didn't realize that in
fact i's value is very important as well. This patch fixes this by
tracking the indices of arrays.

Differential Revision: https://reviews.llvm.org/D63080

llvm-svn: 363510
 2019-06-16 14:52:56 +00:00
George Karpenkov baa78cc6d3 [analyzer] Track non-zero values in ReturnVisitor 
Tracking those can help to provide much better diagnostics in many cases.

In general, most of the visitor machinery should be refactored to allow
tracking the origin of arbitrary values.

rdar://36039765

Differential Revision: https://reviews.llvm.org/D51131

llvm-svn: 340475
 2018-08-22 23:17:25 +00:00