[Bug middle-end/48712] New: [4.5 Regression] ICE in dfs_enumerate_from, at cfganal.c:1207, with -O3

[danglin at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48712

           Summary: [4.5 Regression] ICE in dfs_enumerate_from, at
                    cfganal.c:1207, with -O3
           Product: gcc
           Version: 4.5.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: dang...@gcc.gnu.org
              Host: hppa2.0w-hp-hpux11.11
            Target: hppa2.0w-hp-hpux11.11
             Build: hppa2.0w-hp-hpux11.11


Running /mnt/gnu/gcc/gcc/gcc/testsuite/g++.dg/torture/dg-torture.exp ...
FAIL: g++.dg/torture/pr42883.C  -O3 -fomit-frame-pointer  (internal compiler
err
or)
FAIL: g++.dg/torture/pr42883.C  -O3 -fomit-frame-pointer  (test for excess
error
s)
FAIL: g++.dg/torture/pr42883.C  -O3 -fomit-frame-pointer -funroll-loops 
(intern
al compiler error)
FAIL: g++.dg/torture/pr42883.C  -O3 -fomit-frame-pointer -funroll-loops  (test
f
or excess errors)
FAIL: g++.dg/torture/pr42883.C  -O3 -fomit-frame-pointer -funroll-all-loops
-fin
line-functions  (internal compiler error)
FAIL: g++.dg/torture/pr42883.C  -O3 -fomit-frame-pointer -funroll-all-loops
-fin
line-functions  (test for excess errors)
FAIL: g++.dg/torture/pr42883.C  -O3 -g  (internal compiler error)
FAIL: g++.dg/torture/pr42883.C  -O3 -g  (test for excess errors)

Executing on host: /mnt/gnu/gcc/objdir-test/gcc/testsuite/g++/../../g++
-B/mnt/g
nu/gcc/objdir-test/gcc/testsuite/g++/../../
/mnt/gnu/gcc/gcc/gcc/testsuite/g++.d
g/torture/pr42883.C  -nostdinc++
-I/mnt/gnu/gcc/objdir/hppa2.0w-hp-hpux11.11/lib
stdc++-v3/include/hppa2.0w-hp-hpux11.11
-I/mnt/gnu/gcc/objdir/hppa2.0w-hp-hpux11
.11/libstdc++-v3/include -I/mnt/gnu/gcc/gcc/libstdc++-v3/libsupc++
-I/mnt/gnu/gc
c/gcc/libstdc++-v3/include/backward
-I/mnt/gnu/gcc/gcc/libstdc++-v3/testsuite/ut
il -fmessage-length=0  -O3 -fomit-frame-pointer    -S  -o pr42883.s    (timeout
= 300)
/mnt/gnu/gcc/gcc/gcc/testsuite/g++.dg/torture/pr42883.C: In function 'void
MakeI
nternalMesh()':
/mnt/gnu/gcc/gcc/gcc/testsuite/g++.dg/torture/pr42883.C:63:1: internal compiler
error: in dfs_enumerate_from, at cfganal.c:1207
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
compiler exited with status 1
output is:
/mnt/gnu/gcc/gcc/gcc/testsuite/g++.dg/torture/pr42883.C: In function 'void
MakeI
nternalMesh()':
/mnt/gnu/gcc/gcc/gcc/testsuite/g++.dg/torture/pr42883.C:63:1: internal compiler
error: in dfs_enumerate_from, at cfganal.c:1207

-bash-3.2$ ./xgcc -B./ -v
Reading specs from ./specs
COLLECT_GCC=./xgcc
COLLECT_LTO_WRAPPER=./lto-wrapper
Target: hppa2.0w-hp-hpux11.11
Configured with: ../gcc/configure --with-gnu-as --with-as=/opt/gnu/bin/as
--enable-shared --with-local-prefix=/opt/gnu --prefix=/nowhere
--with-gmp=/opt/gnu/gcc/gcc-4.6 --enable-threads=posix --enable-debug=no
--disable-nls --disable-lto --without-cloog --without-ppl
--enable-checking=release
--enable-languages=c,c++,objc,fortran,java,ada,obj-c++
Thread model: posix
gcc version 4.5.3 20110420 (prerelease) [gcc-4_5-branch revision 172791] (GCC)