balazske added a comment.

I am still unsure about how this checker works if the function to check is 
"modeled" or evaluated by another checker. Then the function may have already a 
constrained value at the PostCall event (for example if a `malloc` fails) and 
the basic idea of this checker that the constraints on the return value 
indicate the checks that the program makes does not work. So it may be better 
to check for the initial constraint somehow and if found ignore that function. 
Or create a new state where the function call's value is not constrained.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D72705/new/

https://reviews.llvm.org/D72705



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