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[Bug optimization/12686] New: ICE (segfault) at -O on valid code
- From: "martin at mpa-garching dot mpg dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 20 Oct 2003 11:59:12 -0000
- Subject: [Bug optimization/12686] New: ICE (segfault) at -O on valid code
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12686
Summary: ICE (segfault) at -O on valid code
Product: gcc
Version: tree-ssa
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: martin at mpa-garching dot mpg dot de
CC: gcc-bugs at gcc dot gnu dot org,martin at mpa-garching
dot mpg dot de
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
The attached testcase causes g++ to crash with a segfault:
~/data/planck/LevelS/Healpix_cxx>g++ -v -c -O bugrep.ii
Reading specs from
/afs/mpa/data/martin/ugcc-ssa/lib/gcc/i686-pc-linux-gnu/3.5-tree-ssa/specs
Configured with: /scratch/gcc-ssa/configure
--prefix=/afs/mpa/data/martin/ugcc-ssa --enable-languages=c++ --disable-checking
Thread model: posix
gcc version 3.5-tree-ssa 20031020 (merged 20031017)
/afs/mpa/data/martin/ugcc-ssa/libexec/gcc/i686-pc-linux-gnu/3.5-tree-ssa/cc1plus -fpreprocessed bugrep.ii -quiet -dumpbase bugrep.ii -mtune=pentiumpro -auxbase bugrep -O -version -o /tmp/ccQSNC6f.s
GNU C++ version 3.5-tree-ssa 20031020 (merged 20031017) (i686-pc-linux-gnu)
compiled by GNU C version 3.5-tree-ssa 20031020 (merged 20031017).
GGC heuristics: --param ggc-min-expand=63 --param ggc-min-heapsize=63470
bugrep.cc: In function `void alm2map_pol(const Healpix_Alms<std::complex<_Tp>
>&, const Healpix_Alms<std::complex<_Tp> >&, const
Healpix_Alms<std::complex<_Tp> >&, Healpix_Map<T>&, Healpix_Map<T>&,
Healpix_Map<T>&) [with T = float]':
bugrep.cc:93: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
This is a regression from 3.3 and mainline.