http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52159
Bug #: 52159
Summary: ICE when building qemu with GCC 4.7 trunk: cannot read
LTO decls
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: m...@use.net
Using the attached tarball, which is the Ubuntu source package configured with
CFLAGS="-O3 -flto -floop-block -floop-interchange" and LDFLAGS="-O3 -flto":
matt@matt-desktop:~/src/qemu-linaro-1.0.50-2012.01$ dh_auto_build -B
system-build
dh_auto_build: warning: line 1 of /home/matt/.config/dpkg/buildflags.conf
mentions unknown flag BUILD_CONFIG
dh_auto_build: warning: line 5 of /home/matt/.config/dpkg/buildflags.conf is
invalid, it has been ignored.
LINK x86_64-softmmu/qemu-system-x86_64
lto1: error: two or more sections for .gnu.lto_fprintf.4f35e9dac4cf72f5
lto1: internal compiler error: cannot read LTO decls from
/tmp/cc9TN5Ma.ltrans1.o
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: gcc returned 1 exit status
/usr/bin/ld.gold.real: fatal error: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[1]: *** [qemu-system-x86_64] Error 1
make: *** [subdir-x86_64-softmmu] Error 2
dh_auto_build: make -j1 returned exit code 2
matt@matt-desktop:~/src/qemu-linaro-1.0.50-2012.01$ gcc --version
gcc (GCC) 4.7.0 20120207 (experimental)
Copyright (C) 2012 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.
matt@matt-desktop:~/src/qemu-linaro-1.0.50-2012.01$ ld --version
GNU gold (GNU Binutils for Ubuntu 2.22) 1.11
Copyright 2011 Free Software Foundation, Inc.
