Artem Dergachev 73b38668ce [analyzer] InnerPointerChecker: Fix a segfault when checking symbolic strings. ...

Return value of dyn_cast_or_null should be checked before use.
Otherwise we may put a null pointer into the map as a key and eventually
crash in checkDeadSymbols.

Differential Revision: https://reviews.llvm.org/D51385

llvm-svn: 341092

2018-08-30 18:45:05 +00:00

17 KiB

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