[PATCH] D38483: [ExprConstant] Allow constexpr ctor to modify non static data members in body

[Erik Pilkington via Phabricator via cfe-commits]

erik.pilkington added inline comments.


================
Comment at: lib/AST/ExprConstant.cpp:588
+          : EI(EI), Object(Object) {
+        DidInsert = EI.EvaluatingConstructors.insert(Object).second;
+      }
----------------
rsmith wrote:
> Can the `DidInsert == false` case actually happen?
Yep, if you have the following:
```
struct Outer {
  struct Inner {
    constexpr Inner() {}
  };
  Inner i;
  constexpr Outer() {}
};
constexpr Outer o;
```
There are two ctor calls for the LValueBase `constexpr Outer o;` at call index 
0.


https://reviews.llvm.org/D38483



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