[PATCH, testsuite]: A bunch of fixes

[Rainer Orth]

Hi Uros,

> Hello!
>
> - Thunk name encodes offset into the structure, which is different
> between 32/64bit targete when pointers are involved.
> - CCP runs with -O1 only
> - Missing dump cleanup
>
> 2014-07-22  Uros Bizjak  <ubizjak@gmail.com>
>
>     * g++.dg/ipa/imm-devirt-2.C (dg-final): Improve einline dump string.

this is PR middle-end/61748.

>     * gcc.dg/pr44024.c (dg-options): Add -O1.
>     (dg-final): Check for the condition.

PR middle-end/61826.

Thanks for fixing this.

	Rainer

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Rainer Orth, Center for Biotechnology, Bielefeld University