http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50854
Bug #: 50854
Summary: internal compiler error: verify_ssa failed
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: mario-baum...@web.de
Created attachment 25593
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25593
c++ source
Hi all,
compiling of attached c++ source failed with optimisation -O2. It works fine
with -O1 and -O0.
Mario.
> g++ -c -m32 -O2 goo.cxx
goo.cxx: In member function 'long int sExt::evalPoint(const v2d&, v3d&) const':
goo.cxx:47:6: error: definition in block 3 does not dominate use in block 2
for SSA_NAME: .MEM_15 in statement:
.MEM_15 = PHI <.MEM_15(2)>
PHI argument
.MEM_15
for PHI node
.MEM_15 = PHI <.MEM_15(2)>
goo.cxx:47:6: internal compiler error: verify_ssa failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
-------------------------------------------------------------------------------
> uname -a
Linux ahsoka.intec.dom 2.6.32-131.17.1.el6.x86_64 #1 SMP Thu Sep 29 10:24:25
EDT 2011 x86_64 x86_64 x86_64 GNU/Linux
> rpm -qa "glibc*" | grep -e 'glibc-[0-9]' | sort -u
glibc-2.12-1.25.el6_1.3.i686
glibc-2.12-1.25.el6_1.3.x86_64
> g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/app2/gcc/4.7.0-20111024-svn180364/i686/libexec/gcc/i686-unknown-linux-gnu/4.7.0/lto-wrapper
Target: i686-unknown-linux-gnu
Configured with: ./configure --prefix=/app2/gcc/4.7.0-20111024-svn180364/i686
--enable-languages=c,c++,fortran --disable-nls
--with-gmp=/app2/gcc/4.7.0-20111024-svn180364/i686/aux
--with-mpfr=/app2/gcc/4.7.0-20111024-svn180364/i686/aux
--with-mpc=/app2/gcc/4.7.0-20111024-svn180364/i686/aux
--with-ppl=/app2/gcc/4.7.0-20111024-svn180364/i686/aux
--with-cloog=/app2/gcc/4.7.0-20111024-svn180364/i686/aux --disable-multilib
--build=i686-unknown-linux-gnu
Thread model: posix
gcc version 4.7.0 20111024 (experimental) (GCC)
> ld -v
GNU ld (GNU Binutils) 2.21.52.20110714
