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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/114604] Ranger allocates from uninitialized
 bitmap_default_obstack
Date: Tue, 09 Apr 2024 06:46:40 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114604

--- Comment #4 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:d76df699b8ff792575e9df4d214c21fed0ed3b6b

commit r14-9855-gd76df699b8ff792575e9df4d214c21fed0ed3b6b
Author: Richard Biener <rguenther@suse.de>
Date:   Mon Apr 8 10:50:18 2024 +0200

    middle-end/114604 - ranger allocates bitmap without initialized obstack

    The following fixes ranger bitmap allocation when invoked from IPA
    context where the global bitmap obstack possibly isn't initialized.
    Instead of trying to use one of the ranger obstacks the following
    simply initializes the global bitmap obstack around an active ranger.

            PR middle-end/114604
            * gimple-range.cc (enable_ranger): Initialize the global
            bitmap obstack.
            (disable_ranger): Release it.=