Filipe Cabecinhas 178a8df660 UBSan: Fix alignment checks emitted in downcasts. ...

Summary:
UBSan was checking for alignment of the derived class on the pointer to
the base class, before converting. With some class hierarchies, this could
generate false positives.

Added test-case.

llvm-svn: 187948

2013-08-08 01:08:17 +00:00

123 KiB

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