[cfe-commits] [Patch] Warn about self references in in-class initializers

[Hans Wennborg]

Hi all,

The attached patch makes Clang warn about self references in in-class
initializers, for example:

struct S {
  int a = a + 42;
};

The patch basically just moves UninitializedFieldVisitor up a bit in
the file, and adds a call to it from ActOnCXXInClassMemberInitializer.

Please take a look. Also, these warnings just say "field is
unitialized when used here". Would anyone be opposed to changing it to
"field 'a' is unitiailized when used here"?

 - Hans
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