From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D89133858D32; Wed, 27 Dec 2023 15:28:21 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D89133858D32 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1703690901; bh=U+XdQQ9nKA5O1qoClrbyAcpE8tqnWheMMN/bqh1xmkg=; h=From:To:Subject:Date:From; b=RnCcvL9xOkUXRuAyMTNZ+oF3XHse7jWDvanSfclzJsriM27069w4TtdQTDLnHbX1V 4lN3/COsV3jzRwA905pHFTRcS9XDnsOO0eb700JWw4wdDzfA2ZG5PYNElL/c7ihY44 RjKBwAGc37XT52zCKtvSiTHj+sgMZSZKcEJtELe8= From: "jiahaoxiang.hust at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug gcov-profile/113157] New: compilation error in PGO Date: Wed, 27 Dec 2023 15:28:21 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: gcov-profile X-Bugzilla-Version: 11.4.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: jiahaoxiang.hust at gmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter cc target_milestone Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113157 Bug ID: 113157 Summary: compilation error in PGO Product: gcc Version: 11.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: gcov-profile Assignee: unassigned at gcc dot gnu.org Reporter: jiahaoxiang.hust at gmail dot com CC: marxin at gcc dot gnu.org Target Milestone: --- I tried to compile these programs with PGO compilation, but the compilation unexpectedly resulted in an error. # gcov -v gcov (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0 Copyright (C) 2021 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # gcc -v Using built-in specs. COLLECT_GCC=3Dgcc COLLECT_LTO_WRAPPER=3D/usr/lib/gcc/x86_64-linux-gnu/11/lto-wrapper OFFLOAD_TARGET_NAMES=3Dnvptx-none:amdgcn-amdhsa OFFLOAD_TARGET_DEFAULT=3D1 Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion=3D'Ubuntu 11.4.0-1ubuntu1~22.04' --with-bugurl=3Dfile:///usr/share/doc/gcc-11/README.= Bugs --enable-languages=3Dc,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --prefix= =3D/usr --with-gcc-major-version-only --program-suffix=3D-11 --program-prefix=3Dx86_64-linux-gnu- --enable-shared --enable-linker-build-= id --libexecdir=3D/usr/lib --without-included-gettext --enable-threads=3Dposix --libdir=3D/usr/lib --enable-nls --enable-bootstrap --enable-clocale=3Dgnu --enable-libstdcxx-debug --enable-libstdcxx-time=3Dyes --with-default-libstdcxx-abi=3Dnew --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-= zlib --enable-libphobos-checking=3Drelease --with-target-system-zlib=3Dauto --enable-objc-gc=3Dauto --enable-multiarch --disable-werror --enable-cet --with-arch-32=3Di686 --with-abi=3Dm64 --with-multilib-list=3Dm32,m64,mx32 --enable-multilib --with-tune=3Dgeneric --enable-offload-targets=3Dnvptx-none=3D/build/gcc-11-XeT9lY/gcc-11-11.4.0/= debian/tmp-nvptx/usr,amdgcn-amdhsa=3D/build/gcc-11-XeT9lY/gcc-11-11.4.0/deb= ian/tmp-gcn/usr --without-cuda-driver --enable-checking=3Drelease --build=3Dx86_64-linux-gnu --host=3Dx86_64-linux-gnu --target=3Dx86_64-linux-gnu --with-build-config=3Dbootstrap-lto-lean --enable-link-serialization=3D2 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 11.4.0 (Ubuntu 11.4.0-1ubuntu1~22.04) # cat 1.c extern int e; int a; int b; void test(int c, _Bool d) { if (c) e =3D d ? b : a; } # cat 2.c int e; void test(int c, _Bool d); void main() { test(1,1); } # gcc --coverage -o test 1.c 2.c # ./test # gcc -O3 -fprofile-use -o test 1.c 2.c 1.c: In function 'test': 1.c:7:1: error: corrupted profile info: profile data is not flow-consistent 7 | } | ^ 1.c:7:1: error: corrupted profile info: number of executions for edge 2-3 thought to be 2 1.c:7:1: error: corrupted profile info: number of executions for edge 2-7 thought to be -1=