[Bug 267751] lang/gcc*: Address sanitizer isn't properly enabled: ASan runtime does not come first in initial library list

From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 26 Nov 2022 15:05:12 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267751

--- Comment #14 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/ports/commit/?id=7375f3899ae994888d48e099476d4a6aabf310b2

commit 7375f3899ae994888d48e099476d4a6aabf310b2
Author:     Lorenzo Salvadore <salvadore@FreeBSD.org>
AuthorDate: 2022-11-23 22:35:46 +0000
Commit:     Lorenzo Salvadore <salvadore@FreeBSD.org>
CommitDate: 2022-11-26 15:01:55 +0000

    lang/gcc11-devel: Fix Address sanitizer

    Software compiled with -fsanitize=address fails to run with the error
    message "ASan runtime does not come first in initial library list; you
    should either link runtime to your application or manually preload it
    with LD_PRELOAD".

    This commit fixes the issue by ignoring the [vdso] loaded shared library
    instead of linux-vdso.so.

    PR:             267751
    Reported by:    yuri

 lang/gcc11-devel/Makefile                              |  1 +
 .../patch-libsanitizer_asan_asan__linux.cpp (new)      | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)

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