a.sidorin added inline comments.
================
Comment at: lib/StaticAnalyzer/Core/ExprEngine.cpp:3082
+ if (X.isUnknown()) {
+ // The value being casted to rvalue can be garbage-collected after
+ // the cast is modeled. Try to recover the memory region being casted
----------------
george.karpenkov wrote:
> From my understanding, the code inside the if-block is not tested below
>
It is tested: without this code, "TRUE" will be printed. The reason is that the
lvalue of 'global' is removed from Environment after the cast happens so `X`
becomes Unknown. But the way of retrieving the value is definitely not the
best so if you have any suggestions on improvement - they are welcome.
Repository:
rC Clang
https://reviews.llvm.org/D45416
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