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Re: [Qemu-devel] [PATCH] configure: disable clang -Wstring-plus-int warn

From: Markus Armbruster
Subject: Re: [Qemu-devel] [PATCH] configure: disable clang -Wstring-plus-int warning
Date: Tue, 06 Aug 2013 09:22:22 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux)

Peter Maydell <address@hidden> writes:

> Some versions of clang will warn about adding integers to strings:
> disas/i386.c:4753:23: error: adding 'char' to a string does not append
>       to the string [-Werror,-Wstring-plus-int]
>       oappend ("%es:" + intel_syntax);
>                ~~~~~~~^~~~~~~~~~~~~~
> disas/i386.c:4753:23: note: use array indexing to silence this warning
>       oappend ("%es:" + intel_syntax);
>                       ^
>                &      [             ]
> disas/i386.c uses this idiom to to skip a "%" prefix if using intel
> rather than AT&T syntax. This seems like a reasonable  thing to do,
> and I don't think anybody contributing to QEMU is likely to believe
> that '+' is a string concatenation operator in C, so just disable
> -Wstring-plus-int.
> Signed-off-by: Peter Maydell <address@hidden>

Yes, please.

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