public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug gcov-profile/96006] New: [GCOV] std::bind incorrectly marked as not executed
@ 2020-06-30 14:41 vesig34966 at estopg dot com
2020-07-01 6:57 ` [Bug gcov-profile/96006] " marxin at gcc dot gnu.org
0 siblings, 1 reply; 2+ messages in thread
From: vesig34966 at estopg dot com @ 2020-06-30 14:41 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96006
Bug ID: 96006
Summary: [GCOV] std::bind incorrectly marked as not executed
Product: gcc
Version: 8.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: gcov-profile
Assignee: unassigned at gcc dot gnu.org
Reporter: vesig34966 at estopg dot com
CC: marxin at gcc dot gnu.org
Target Milestone: ---
$ cat repro.cpp
#include <functional>
#include <iostream>
void fn(int x) {
std::cout << x << std::endl;
}
int main() {
std::function<void()> fn2 = std::bind(
fn, 2);
fn2();
$ g++ -std=c++17 repro.cpp --coverage -o repro.o && ./repro.o && gcov repro.cpp
&& cat repro.cpp.gcov
...
-: 0:Source:repro.cpp
-: 0:Graph:repro.gcno
-: 0:Data:repro.gcda
-: 0:Runs:1
-: 0:Programs:1
-: 1:#include <functional>
-: 2:#include <iostream>
-: 3:
1: 4:void fn(int x) {
1: 5: std::cout << x << std::endl;
1: 6:}
-: 7:
1: 8:int main() {
#####: 9: std::function<void()> fn2 = std::bind(
2: 10: fn, 2);
1: 11: fn2();
1: 12:}
Line #9 is wrongly marked as uncovered; line #10 is incorrectly marked as hit
twice.
$ gcc -v
Using built-in specs.
COLLECT_GCC=/usr/bin/gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/8/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu
8.4.0-1ubuntu1~18.04' --with-bugurl=file:///usr/share/doc/gcc-8/README.Bugs
--enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr
--with-gcc-major-version-only --program-suffix=-8
--program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug
--enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new
--enable-gnu-unique-object --disable-vtable-verify --enable-libmpx
--enable-plugin --enable-default-pie --with-system-zlib
--with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch
--disable-werror --with-arch-32=i686 --with-abi=m64
--with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic
--enable-offload-targets=nvptx-none --without-cuda-driver
--enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 8.4.0 (Ubuntu 8.4.0-1ubuntu1~18.04)
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug gcov-profile/96006] [GCOV] std::bind incorrectly marked as not executed
2020-06-30 14:41 [Bug gcov-profile/96006] New: [GCOV] std::bind incorrectly marked as not executed vesig34966 at estopg dot com
@ 2020-07-01 6:57 ` marxin at gcc dot gnu.org
0 siblings, 0 replies; 2+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-07-01 6:57 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96006
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Last reconfirmed| |2020-07-01
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Confirmed.
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2020-07-01 6:57 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-06-30 14:41 [Bug gcov-profile/96006] New: [GCOV] std::bind incorrectly marked as not executed vesig34966 at estopg dot com
2020-07-01 6:57 ` [Bug gcov-profile/96006] " marxin at gcc dot gnu.org
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).