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Author SHA1 Message Date
Gabor Horvath 60eec1ac1b [analyzer] Fix a rare crash for valist check. 
It looks like on some host-triples the result of a valist related expr can be
a LazyCompoundVal. Handle that case in the check.

Patch by Abramo Bagnara!

llvm-svn: 297619
 2017-03-13 12:48:26 +00:00
Gabor Horvath dbf2790a1f [analyzer] Improve valist checks and move it out from alpha state. 
This patch makes the valist check more robust to the different AST variants on
different platforms and also fixes a FIXME.

Differential Revision: https://reviews.llvm.org/D30157

llvm-svn: 297153
 2017-03-07 16:04:23 +00:00