https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439
--- Comment #14 from Florin Iucha ---
Bisecting the configure flags, I think I narrowed it down to: it fails when
"--enable-gnu-indirect-function" is present.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439
--- Comment #13 from Florin Iucha ---
With GCC 11-20210703 snapshot I can reproduce the observation on Ubuntu 20.04
but can not reproduce the observation on Debian testing.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439
--- Comment #12 from Florin Iucha ---
Actually, it gets even better - no clang needed. Just build GCC 11-20210626
Snapshot and build the example using the Google test recipe:
#
# Makefile
#
ALL: bin/test_hello
.PHONY: clean
CXX=/opt/gcc11-for
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439
--- Comment #11 from Florin Iucha ---
Updated Makefile for clang12:
#---
ALL: bin/test_hello
.PHONY: clean
CXX=/opt/clang12-for-tng/bin/clang++
CXXFLAGS=-m64 -g -std=c++20 --gcc-toolchain=/opt/gcc11-for-tng
-fsanitize=un
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439
--- Comment #10 from Florin Iucha ---
I am able to reproduce something similar by building GCC11 from snapshot
11-20210626 (96358cbbe6e6447519a155301b6acb1624c0) and then using Clang12
(12.0.1-rc4) ubsan:
#234 0x7f9769d39670 in __cxxabi
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439
--- Comment #9 from Florin Iucha ---
I was not able to reproduce the observation using the native compiler and
system glibc.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439
--- Comment #8 from Martin Liška ---
> Note this happens when GCC and GLIBC are built with crosstool-ng
> (https://crosstool-ng.github.io/); I will attach the configuration file used
> to generate the toolchain.
Well, that's something I'm not g
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439
--- Comment #7 from Florin Iucha ---
Created attachment 50809
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50809&action=edit
crosstool-ng configuration file
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439
--- Comment #6 from Florin Iucha ---
With the test file above, and this Makefile:
--8< --8< --8< --8< --8< --8< --8< --8< --8< --8< --8< --8<
ALL: bin/test_hello
.PHONY: clean
CXX=/opt/tng-gcc11-glibc-linux5.4/bin/x86_64-tng-linux-gnu-g++
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439
--- Comment #5 from Florin Iucha ---
It is a "CMake object library" - not a static library.
I will prepare a more self-contained test case shortly.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439
--- Comment #4 from Martin Liška ---
The test-case links to some static libraries:
lib/libgmock_maind.a
please provide full steps how to reproduce that?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439
--- Comment #3 from Florin Iucha ---
Tried it with current HEAD of https://github.com/google/googletest
(f5e592d8ee5ffb1d9af5be7f715ce3576b8bf9c4), with the cmake patched to add
"-fsanitize=undefined -fno-omit-frame-pointer -std=c++2a" and the b
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439
--- Comment #2 from Florin Iucha ---
This is for regular x86-64; we're using a cross-compiler sysroot to avoid
dependency on system libraries and be able to run the binary on different Linux
distributions.
I can't reproduce the problem on a "he
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100439
Richard Biener changed:
What|Removed |Added
Ever confirmed|0 |1
Status|UNCONFIRMED
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