From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed, 17 Dec 2025 17:51:53 +0000 (-0300)
Subject: stdlib: Avoid strlen plt with clang
X-Git-Tag: glibc-2.43~67
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=65f55bb7e5403b7977ace2f6f0698fd5732720dc;p=thirdparty%2Fglibc.git

stdlib: Avoid strlen plt with clang

The clang-21 LoopIdiomRecognizePass replaces some loops in
__xpg_basename with a strlen call.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
---

diff --git a/sysdeps/generic/symbol-hacks.h b/sysdeps/generic/symbol-hacks.h
index 58398d33a5..0d728cce91 100644
--- a/sysdeps/generic/symbol-hacks.h
+++ b/sysdeps/generic/symbol-hacks.h
@@ -20,6 +20,7 @@ asm ("__strcpy_chk = __GI___strcpy_chk");
 asm ("strcpy = __GI_strcpy");
 asm ("strncpy = __GI_strncpy");
 asm ("strcat = __GI_strcat");
+asm ("strlen = __GI_strlen");
 
 /* Some targets do not use __stack_chk_fail_local.  In libc.so,
    redirect __stack_chk_fail to a hidden reference