Minimal reproduction for SEGFAULT with -Wl,--as-needed -pthread -O2.

Minimal reproduction for SEGFAULT with -Wl,--as-needed -pthread -O2.

Prototype CL. DO NOT SUBMIT.

BUG=None

[engedy, 2016-06-24 19:30:03]

Description was changed from

==========
Minimal reproduction for SEGFAULT when linked with -flto.

BUG=None
==========

to

==========
Minimal reproduction for SEGFAULT when linked with -flto.

GN args:

target_cpu = "x64"
is_debug = false
is_chrome_branded = true
is_official_build = true
is_component_build = true

Run with:

cp ${OUTPUTDIR}/flto_repro
${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/usr/bin
sudo chroot ${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/
/usr/bin/flto_repro

BUG=None
==========

[engedy, 2016-06-24 19:34:52]

Description was changed from

==========
Minimal reproduction for SEGFAULT when linked with -flto.

GN args:

target_cpu = "x64"
is_debug = false
is_chrome_branded = true
is_official_build = true
is_component_build = true

Run with:

cp ${OUTPUTDIR}/flto_repro
${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/usr/bin
sudo chroot ${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/
/usr/bin/flto_repro

BUG=None
==========

to

==========
Minimal reproduction for SEGFAULT when linked with -flto.

GN args:

target_cpu = "x64"
is_debug = false
is_chrome_branded = true
is_official_build = true
is_component_build = true

Run it on Debian Wheezy, or with:

OUTPUTDIR=/path/to/src/out/gnoutdir
CHROMIUM_SRC=/path/to/src

cp ${OUTPUTDIR}/flto_repro
${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/usr/bin
sudo chroot ${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/
/usr/bin/flto_repro

BUG=None
==========

[engedy, 2016-06-24 19:36:06]

Description was changed from

==========
Minimal reproduction for SEGFAULT when linked with -flto.

GN args:

target_cpu = "x64"
is_debug = false
is_chrome_branded = true
is_official_build = true
is_component_build = true

Run it on Debian Wheezy, or with:

OUTPUTDIR=/path/to/src/out/gnoutdir
CHROMIUM_SRC=/path/to/src

cp ${OUTPUTDIR}/flto_repro
${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/usr/bin
sudo chroot ${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/
/usr/bin/flto_repro

BUG=None
==========

to

==========
Minimal reproduction for SEGFAULT when linking with -flto.

GN args:

target_cpu = "x64"
is_debug = false
is_chrome_branded = true
is_official_build = true
is_component_build = true

Run it on Debian Wheezy, or with:

OUTPUTDIR=/path/to/src/out/gnoutdir
CHROMIUM_SRC=/path/to/src

cp ${OUTPUTDIR}/flto_repro
${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/usr/bin
sudo chroot ${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/
/usr/bin/flto_repro

BUG=None
==========

[engedy, 2016-06-24 19:41:04]

Description was changed from

==========
Minimal reproduction for SEGFAULT when linking with -flto.

GN args:

target_cpu = "x64"
is_debug = false
is_chrome_branded = true
is_official_build = true
is_component_build = true

Run it on Debian Wheezy, or with:

OUTPUTDIR=/path/to/src/out/gnoutdir
CHROMIUM_SRC=/path/to/src

cp ${OUTPUTDIR}/flto_repro
${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/usr/bin
sudo chroot ${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/
/usr/bin/flto_repro

BUG=None
==========

to

==========
Minimal reproduction for SEGFAULT when linking with -flto.

GN args:

target_cpu = "x64"
is_debug = false
is_chrome_branded = true
is_official_build = true
is_component_build = true

Run it on Debian Wheezy (e.g.,
https://build.chromium.org/p/chromium.chrome/builders/Google%20Chrome%20Linux...),
or with:

OUTPUTDIR=/path/to/src/out/gnoutdir
CHROMIUM_SRC=/path/to/src

cp ${OUTPUTDIR}/flto_repro
${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/usr/bin
sudo chroot ${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/
/usr/bin/flto_repro

BUG=None
==========

[engedy, 2016-06-24 19:44:32]

Description was changed from

==========
Minimal reproduction for SEGFAULT when linking with -flto.

GN args:

target_cpu = "x64"
is_debug = false
is_chrome_branded = true
is_official_build = true
is_component_build = true

Run it on Debian Wheezy (e.g.,
https://build.chromium.org/p/chromium.chrome/builders/Google%20Chrome%20Linux...),
or with:

OUTPUTDIR=/path/to/src/out/gnoutdir
CHROMIUM_SRC=/path/to/src

cp ${OUTPUTDIR}/flto_repro
${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/usr/bin
sudo chroot ${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/
/usr/bin/flto_repro

BUG=None
==========

to

==========
Minimal reproduction for SEGFAULT when linking with -flto.

When built using the following GN args:

target_cpu = "x64"
is_debug = false
is_chrome_branded = true
is_official_build = true
is_component_build = true

And run it on Debian Wheezy (e.g.,
https://build.chromium.org/p/chromium.chrome/builders/Google%20Chrome%20Linux...),
or within the following chroot:

OUTPUTDIR=/path/to/src/out/gnoutdir
CHROMIUM_SRC=/path/to/src

cp ${OUTPUTDIR}/flto_repro
${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/usr/bin
sudo chroot ${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/
/usr/bin/flto_repro

The executable will SEGFAULT, seemingly with stack corruption.

BUG=None
==========

[engedy, 2016-06-24 22:27:11]

Description was changed from

==========
Minimal reproduction for SEGFAULT when linking with -flto.

When built using the following GN args:

target_cpu = "x64"
is_debug = false
is_chrome_branded = true
is_official_build = true
is_component_build = true

And run it on Debian Wheezy (e.g.,
https://build.chromium.org/p/chromium.chrome/builders/Google%20Chrome%20Linux...),
or within the following chroot:

OUTPUTDIR=/path/to/src/out/gnoutdir
CHROMIUM_SRC=/path/to/src

cp ${OUTPUTDIR}/flto_repro
${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/usr/bin
sudo chroot ${CHROMIUM_SRC}/build/linux/debian_wheezy_amd64-sysroot/
/usr/bin/flto_repro

The executable will SEGFAULT, seemingly with stack corruption.

BUG=None
==========

to

==========
Minimal reproduction for SEGFAULT with -pthread -O2 -fuse-ld=gold
-Wl,--as-needed


BUG=None
==========

[engedy, 2016-06-24 22:27:16]

Description was changed from

==========
Minimal reproduction for SEGFAULT with -pthread -O2 -fuse-ld=gold
-Wl,--as-needed


BUG=None
==========

to

==========
Minimal reproduction for SEGFAULT with -pthread -O2 -fuse-ld=gold
-Wl,--as-needed

BUG=None
==========

[engedy, 2016-08-04 16:06:16]

Description was changed from

==========
Minimal reproduction for SEGFAULT with -pthread -O2 -fuse-ld=gold
-Wl,--as-needed

BUG=None
==========

to

==========
Minimal reproduction for SEGFAULT with -pthread -O2 -fuse-ld=gold
-Wl,--as-needed

Prototype CL. DO NOT SUBMIT.

BUG=None
==========

[engedy, 2016-08-05 11:07:38]

Description was changed from

==========
Minimal reproduction for SEGFAULT with -pthread -O2 -fuse-ld=gold
-Wl,--as-needed

Prototype CL. DO NOT SUBMIT.

BUG=None
==========

to

==========
Minimal reproduction for SEGFAULT with -Wl,--as-needed -pthread -O2.

Prototype CL. DO NOT SUBMIT.

BUG=None
==========