https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118905
Bug ID: 118905
Summary: [15 regression] g++.dg/asan/pr118763.C fails since
r15-7532-ge96e1bb69c7b46
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: testsuite-fail, wrong-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
CC: jakub at gcc dot gnu.org, jason at gcc dot gnu.org
Target Milestone: ---
```
commit 4af0148d6518cc4aca0c0368cffa50e739d3fbf1 (HEAD -> master)
Author: Sam James <s...@gentoo.org>
Date: Mon Feb 17 00:21:30 2025 +0000
saving uncommitted changes in /etc prior to emerge run
diff --git a/x86_64-pc-linux-gnu/15/x86_64-pc-linux-gnu.xfail
b/x86_64-pc-linux-gnu/15/x86_64-pc-linux-gnu.xfail
index 79d245e..fb9ed8e 100644
--- a/x86_64-pc-linux-gnu/15/x86_64-pc-linux-gnu.xfail
+++ b/x86_64-pc-linux-gnu/15/x86_64-pc-linux-gnu.xfail
@@ -5,6 +5,11 @@ FAIL: c52103x
FAIL: c52104x
=== g++ tests ===
+Running g++:/gcc/testsuite/g++.dg/asan/asan.exp ...
+FAIL: g++.dg/asan/pr118763.C -O0 execution test
+FAIL: g++.dg/asan/pr118763.C -O1 execution test
+FAIL: g++.dg/asan/pr118763.C -Os execution test
[...]
```
```
$ g++ g++.dg/asan/pr118763.C -fsanitize=address -o p && ./p ; echo $?
=================================================================
==3955310==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 4 byte(s) in 1 object(s) allocated from:
#0 0x738ab1d0fdd8 in operator new(unsigned long)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/libsanitizer/asan/asan_new_delete.cpp:86
#1 0x5db8e636e49b in foo(bool) (/home/sam/git/gcc/gcc/testsuite/p+0x49b)
#2 0x5db8e636e4fb in main (/home/sam/git/gcc/gcc/testsuite/p+0x4fb)
#3 0x738ab1403546 in __libc_start_call_main
../sysdeps/nptl/libc_start_call_main.h:58
SUMMARY: AddressSanitizer: 4 byte(s) leaked in 1 allocation(s).
1
```
```
$ g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/15/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-pc-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/configure
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr
--bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/15
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/15/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15
--disable-silent-rules --disable-dependency-tracking
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/15/python
--enable-objc-gc --enable-languages=c,c++,d,go,objc,obj-c++,fortran,ada,m2,rust
--enable-obsolete --enable-secureplt --disable-werror --with-system-zlib
--enable-nls --without-included-gettext --disable-libunwind-exceptions
--enable-checking=yes,extra,rtl --with-bugurl=https://bugs.gentoo.org/
--with-pkgversion='Gentoo Hardened 15.0.9999 p, commit
e6b63bba27639e7e5c6c3d7fc394639534f30aaf' --with-gcc-major-version-only
--enable-libstdcxx-time --enable-lto --disable-libstdcxx-pch --enable-shared
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--enable-multilib --with-multilib-list=m32,m64 --disable-fixed-point
--enable-targets=all --enable-offload-defaulted
--enable-offload-targets=nvptx-none --enable-libgomp --disable-libssp
--enable-libada --disable-cet --disable-systemtap --enable-valgrind-annotations
--disable-vtable-verify --disable-libvtv --with-zstd --with-isl
--disable-isl-version-check --enable-default-pie --enable-host-pie
--enable-host-bind-now --enable-default-ssp --disable-fixincludes
--with-build-config='bootstrap-O3 bootstrap-lto'
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.1 20250217 (experimental)
2ef2b206c4617abae60002280455f7175aaa6064 (Gentoo Hardened 15.0.9999 p, commit
e6b63bba27639e7e5c6c3d7fc394639534f30aaf)
```
This was also reported at
https://inbox.sourceware.org/gcc-patches/202502142216.51emgkpi320...@shliclel4214.sh.intel.com/T/#u
where it was bisected to r15-7532-ge96e1bb69c7b46.
