[PATCH] D54013: [analyzer] MallocChecker: Avoid redundant transitions.
Umann Kristóf via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon Nov 5 10:59:11 PST 2018
Szelethus added inline comments.
Comment at: lib/StaticAnalyzer/Checkers/MallocChecker.cpp:2369
ProgramStateRef state = C.getState();
- RegionStateTy RS = state->get<RegionState>();
+ RegionStateTy OldRS = state->get<RegionState>();
RegionStateTy::Factory &F = state->get_context<RegionState>();
> Szelethus wrote:
> > We are acquiring an object of type `ImmutableMap`, modify it, and put it back into `state`? Can't we just modify it through `ProgramState`'s interface directly?
> state is immutable, I don't think we can put anything into it.
> We also can't modify ImmutableMap because, well, it's immutable.
Poor choice of words, I admit. What I actually meant is that maybe it would be more straighforward if we didnt create a local varable here. But I'm fine with being in the wrong :)
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