[PATCH] Add specific warning flags for GNU ext in Sema

[Peter N Lewis]

Ping x 2.

On 05/09/2013, at 18:33 , Peter Lewis <peter at stairways.com.au> wrote:

> This patch adds the following specific warning flags to -Wgnu:
> 
> gnu-anonymous-struct
> gnu-compound-literal-initializer
> gnu-empty-struct
> gnu-flexible-array-initializer
> gnu-flexible-array-union-member
> gnu-folding-constant
> redeclared-class-member
> gnu-redeclared-enum
> gnu-union-cast
> gnu-variable-sized-type-not-at-end
> 
> At Eli's suggestion, redeclared-class-member does not have the gnu prefix, and this patch subsumes ext_vla_folded_to_constant into gnu-folding-constant (a visible effect of this is that -Wgnu enables gnu-folding-constant which enabled ext_vla_folded_to_constant where previously it would not have).
> 
> http://llvm-reviews.chandlerc.com/D1605
> 
> Files:
> test/Sema/gnu-flags.c
> test/Misc/warning-flags-tree.c
> test/Misc/warning-flags.c
> test/SemaCXX/gnu-flags.cpp
> include/clang/Basic/DiagnosticGroups.td
> include/clang/Basic/DiagnosticSemaKinds.td
> <D1605.1.patch>

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