[cfe-dev] Patch: Store brackets for C++ array subscripbtion

[Erik Verbruggen]

Hello,

Attached is a patch to store the location of the brackets for calls to array subscription expressions when the caller is a C++ operator:

struct Foo {
  int operator[](int);
  static void mooze() {
    Foo bar;
    bar[1];   // <--- this call
    bar[](1); // <--- not this call
  }
};

I tried to make the least intrusive patch as possible, but I am not sure if there are more cases where the DeclRefExpr should store a DeclarationNameLoc then only the overloaded array subscription.

Cheers,
Erik.
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