ymandel added inline comments.

================
Comment at: clang/include/clang/Analysis/FlowSensitive/ControlFlowContext.h:34
+  /// Builds a ControlFlowContext from an AST node. `D` is the function in 
which
+  /// `S` resides. All arguments must be non-null.
   static llvm::Expected<ControlFlowContext> build(const Decl *D, Stmt *S,
----------------
sgatev wrote:
> ymandel wrote:
> > sgatev wrote:
> > > Can we make them references?
> > Turns out I was wrong - `D` can be null. Would that CFG has comments about 
> > what its parameters do... We have a test that excercises this (though I 
> > can't say why):
> > 
> > https://github.com/llvm/llvm-project/blob/9a976f36615dbe15e76c12b22f711b2e597a8e51/clang/unittests/Analysis/FlowSensitive/TypeErasedDataflowAnalysisTest.cpp#L70
> > 
> > The other two -- yes -- but then we'd have to update the various callers as 
> > well. I'd rather not do that in this patch, but I'll add the new overload 
> > and we can follow up with cleanups in another patch.
> > 
> > 
> Weird. I think we should change the test to pass the decl.
I'd like that, but when looking through other uses found a bunch that pass 
nullptr (and for no apparent reason - they all have the function decl handy).

So, I propose that we mark the new API as such and then in the cleanup we'll 
make sure to pass a non-null argument.


================
Comment at: clang/lib/Analysis/FlowSensitive/DataflowAnalysisContext.cpp:19
 #include "clang/Analysis/FlowSensitive/Value.h"
+#include "clang/Basic/IdentifierTable.h"
 #include "llvm/Support/Debug.h"
----------------
sgatev wrote:
> Is this still needed?
Nope.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D131039/new/

https://reviews.llvm.org/D131039

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