http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50338
Bug #: 50338
Summary: ICE Linking with -flto
Classification: Unclassified
Product: gcc
Version: lto
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: james.w.mckel...@jpl.nasa.gov
When I compile and link with -flto, I get this error:
make[1]: Entering directory `/home/mckelvey/PD/testsuite'
rm -f stest0.exe
/usr/local/bin/g++ -O3 -DNDEBUG -DUSE_INTL=1 -DUSE_MUTEX=1
-findirect-inlining -flto -pedantic -std=gnu++0x -ansi -fno-common -Wall
-Wold-style-cast -Wsign-promo -Wpointer-arith -Wundef -Wwrite-strings
-Winvalid-pch -Woverloaded-virtual -Wcast-qual -Wextra -Wredundant-decls
-Wshadow -Wcast-align -Wcomment -fstrict-aliasing -Winit-self
-Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wlogical-op -Wconversion
-Wsign-conversion -Wmissing-declarations -Wdeprecated -ftree-switch-conversion
-Wuninitialized -Wparentheses -Wunused -fvisibility-inlines-hidden -MMD
-fimplicit-templates -L.. -o stest0.exe stest0.o -lPatternDriver -lpthread
lto1: internal compiler error: in lto_balanced_map, at lto/lto.c:1721
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: /usr/local/bin/g++ returned 1 exit status
collect2: error: lto-wrapper returned 1 exit status
make[1]: *** [stest0.exe] Error 1
Since this is a link error, I don't know what you need to debug this. The files
will be large.
g++ is very recent. I tried building with --enable-checking=none, but that
gives a segmentation fault instead of an ICE.
uname -a
Linux Mushroom 2.6.32-131.0.15.el6.x86_64 #1 SMP Tue May 10 15:42:40 EDT 2011
x86_64 x86_64 x86_64 GNU/Linux
g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-redhat-linux/4.7.0/lto-wrapper
Target: x86_64-redhat-linux
Configured with: /home/mckelvey/cvsroot/gcc/configure --verbose --disable-nls
--enable-lto --with-mpfr=/usr/local --with-gmp=/usr/local --with-mpc=/usr/local
--with-ppl=/usr/local --with-cloog=/usr/local --enable-cloog-backend=isl
--enable-bootstrap --enable-shared --enable-threads=posix
--enable-checking=release --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-gnu-unique-object --disable-dssi
--with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux
--enable-languages=c,c++
Thread model: posix
gcc version 4.7.0 20110907 (experimental) (GCC)
BUILDING:
alias CONFIGURECVS='export CC=gcc ; /home/mckelvey/cvsroot/gcc/configure
--verbose --disable-nls --enable-lto --with-mpfr=/usr/local
--with-gmp=/usr/local --with-mpc=/usr/local --with-ppl=/usr/local
--with-cloog=/usr/local --enable-cloog-backend=isl --enable-bootstrap
--enable-shared --enable-threads=posix --enable-checking=release
--with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions
--enable-gnu-unique-object --disable-dssi --with-tune=generic
--with-arch_32=i686 --build=x86_64-redhat-linux --enable-languages=c,c++ 2>&1 |
tee clog'
alias BUILD='nice make CFLAGS='\'''\'' BOOT_CFLAGS='\'''\'' LIBCFLAGS='\''-g
-O'\'' CXXFLAGS='\''-O'\'' LIBCXXFLAGS='\''-g -O'\'' 2>&1 | tee log'
