tree fba17052fe4f141a928aec5f701a43b1c52df498
parent 30d3f201efd974e92af39ab7522ca30ddb2a379a
author Aaron Puchert <aaronpuchert@alice-dsl.net> 1537316378 +0000
committer Aaron Puchert <aaronpuchert@alice-dsl.net> 1537316378 +0000

Thread safety analysis: Fix crash for function pointers

For function pointers, the FunctionDecl of the callee is unknown, so
getDirectCallee will return nullptr. We have to catch that case to avoid
crashing. We assume there is no attribute then.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@342519 91177308-0d34-0410-b5e6-96231b3b80d8