jdenny added inline comments.

================
Comment at: clang/lib/CodeGen/CGOpenMPRuntime.cpp:9566
+    MEHandler.generateAllInfo(BasePointers, Pointers, Sizes, MapTypes,
+                              CapturedVarSet, /*PresentModifierOnly=*/true);
 
----------------
In today's OpenMP/LLVM call, it was pointed out that this issue represents a 
general Clang bug for map clauses: map clauses generally shouldn't be ignored 
just because their variables aren't referenced in the construct.

Here, I tried to handle this issue only in the case of a `present` modifier 
because I previously didn't consider whether the existing behavior for other 
map types was a bug.  My solution here was similar to what's done for `omp 
target data`, which doesn't have captures at all.  Perhaps, this should 
generalized to other map types.

Another possibility might be to expand what's captured in Sema.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D83061/new/

https://reviews.llvm.org/D83061



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