On Mon, Mar 07, 2011 at 05:09:17PM +0100, Jim Meyering wrote:
> I suspect that there was a problem with .11, perhaps one of these:
>
> * Fri Mar 04 2011 Jakub Jelinek <jakub@xxxxxxxxxx> 4.6.0-0.12
> - update from trunk
> - PRs c++/46159, c++/46282, c++/47200, c++/47774, c++/47851, c++/47950,
> c++/47974, c/47963, libstdc++/47913, middle-end/47283,
> rtl-optimization/47925, target/47935, tree-optimization/47890
> - rebuilt against ppl 0.11.2, reenable cloog-ppl Requires
>
> because I can't reproduce that with the latest in rawhide,
> gcc-4.6.0-0.12.fc15.x86_64:
You forgot to #include <string.h>
> $ cat k.c :
> #define STREQ(a,b) (strcmp((a),(b)) == 0)
>
> int
> do_rm_rf (const char *path)
> {
> int r;
> char *buf, *err;
>
> if (STREQ (path, "/"))
> {
> reply_with_error ("cannot remove root directory");
> return -1;
> }
> }
> $ gcc -O3 -c k.c -Werror=strict-overflow :
I can reproduce it and have filed http://gcc.gnu.org/PR48022 for it.
Jakub
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