[v3] Add / use dg-require-cstdint

[Paolo Carlini]

Hi,

deal with the issue pointed out by Andrew on libstdc++. Tested x86_64-linux, committed to mainline.

Paolo.

//////////////////
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: CL_ap.txt
URL: <http://gcc.gnu.org/pipermail/libstdc++/attachments/20080708/b14e9fc4/attachment.txt>
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: patch_ap.txt
URL: <http://gcc.gnu.org/pipermail/libstdc++/attachments/20080708/b14e9fc4/attachment-0001.txt>