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lto testsuite may erase mathlib variable

From: BELBACHIR Selim <selim dot belbachir at fr dot thalesgroup dot com>
To: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
Date: Fri, 3 Jan 2014 11:18:45 +0100
Subject: lto testsuite may erase mathlib variable
Authentication-results: sourceware.org; auth=none

Hi,

I noticed a problem in gcc/testsuite/g++.dg/lto/lto.exp

If the target does not support LTO (check_effective_target_lto) a brutal return is performed so the mathlib variable modified in lto_init will not be restored properly by lto_finish at the end of the script.

Subsequent testsuites will found an empty mathlib.

Regards,

Selim

Attachment: patch
Description: patch

Follow-Ups:
- Re: lto testsuite may erase mathlib variable
  - From: Richard Biener

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