regehr@john-home:~/volatile/bugs/tmp269$ current-gcc -O small.c -c small.c: In function ‘func_34’: small.c:16:1: internal compiler error: in completely_scalarize_record, at tree-sra.c:855 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. regehr@john-home:~/volatile/bugs/tmp269$ cat small.c struct S0 { unsigned char f0; int:0; }; struct S1 { struct S0 f0; }; struct S1 func_34 (void) { struct S1 l_221 = { { 1 } }; return l_221; } regehr@john-home:~/volatile/bugs/tmp269$ current-gcc -v Using built-in specs. COLLECT_GCC=current-gcc COLLECT_LTO_WRAPPER=/home/regehr/z/tmp/gcc-r157027-install/libexec/gcc/i686-pc-linux-gnu/4.5.0/lto-wrapper Target: i686-pc-linux-gnu Configured with: ../configure --with-libelf=/usr/local --enable-lto --prefix=/home/regehr/z/tmp/gcc-r157027-install --program-prefix=r157027- --enable-languages=c,c++ Thread model: posix gcc version 4.5.0 20100224 (experimental) (GCC)
That looks somewhat familiar
Mine.
Patch submitted to the mailing list: http://gcc.gnu.org/ml/gcc-patches/2010-03/msg00207.html
Subject: Bug 43164 Author: jamborm Date: Thu Mar 4 18:16:32 2010 New Revision: 157232 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157232 Log: 2010-03-04 Martin Jambor <mjambor@suse.cz> PR tree-optimization/43164 PR tree-optimization/43191 * tree-sra.c (type_consists_of_records_p): Reject records with zero-size bit-fields at the end. * testsuite/gcc.c-torture/compile/pr43164.c: New test. * testsuite/gcc.c-torture/compile/pr43191.c: Likewise. Added: trunk/gcc/testsuite/gcc.c-torture/compile/pr43164.c trunk/gcc/testsuite/gcc.c-torture/compile/pr43191.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-sra.c
Fixed.
Subject: Bug 43164 Author: hjl Date: Sat Mar 13 16:58:19 2010 New Revision: 157426 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157426 Log: Backport testcases from mainline. 2010-03-13 H.J. Lu <hongjiu.lu@intel.com> Backport from mainline: 2010-03-11 Martin Jambor <mjambor@suse.cz> PR tree-optimization/43257 * g++.dg/torture/pr43257.C: New test. 2010-03-11 Richard Guenther <rguenther@suse.de> PR tree-optimization/43255 * gcc.c-torture/compile/pr43255.c: New testcase. 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> * gcc.dg/pr43280.c: New testcase. 2010-03-10 Jan Hubicka <jh@suse.cz> * gcc.c-torture/compile/pr43288.c: New test. 2010-03-10 Andrey Belevantsev <abel@ispras.ru> PR middle-end/42859 * g++.dg/eh/pr42859.C: New test. 2010-03-09 Jakub Jelinek <jakub@redhat.com> PR debug/43299 * gcc.dg/pr43299.c: New test. 2010-03-08 Richard Guenther <rguenther@suse.de> PR tree-optimization/43269 * gcc.c-torture/execute/pr43269.c: New testcase. 2010-03-04 Martin Jambor <mjambor@suse.cz> PR tree-optimization/43164 PR tree-optimization/43191 * gcc.c-torture/compile/pr43164.c: New test. * gcc.c-torture/compile/pr43191.c: Likewise. 2010-03-04 Changpeng Fang <changpeng.fang@amd.com> PR middle-end/43209 * gcc.dg/tree-ssa/ivopts-4.c: New. 2010-03-03 Jakub Jelinek <jakub@redhat.com> PR debug/43229 * gfortran.dg/pr43229.f90: New test. PR debug/43237 * gcc.dg/debug/dwarf2/pr43237.c: New test. 2010-03-02 Paul Thomas <pault@gcc.gnu.org> PR fortran/43180 * gfortran.dg/internal_pack_10.f90: New test. 2010-02-26 Richard Guenther <rguenther@suse.de> PR tree-optimization/43188 * gcc.c-torture/compile/pr43188.c: New testcase. 2010-02-25 Jakub Jelinek <jakub@redhat.com> PR debug/43166 * gfortran.dg/debug/pr43166.f: New test. PR debug/43165 * gcc.dg/torture/pr43165.c: New test. 2010-02-23 Jakub Jelinek <jakub@redhat.com> PR target/43107 * gcc.target/i386/pr43107.c: New test. Added: branches/gcc-4_4-branch/gcc/testsuite/g++.dg/eh/pr42859.C - copied unchanged from r157425, trunk/gcc/testsuite/g++.dg/eh/pr42859.C branches/gcc-4_4-branch/gcc/testsuite/g++.dg/torture/pr43257.C - copied unchanged from r157425, trunk/gcc/testsuite/g++.dg/torture/pr43257.C branches/gcc-4_4-branch/gcc/testsuite/gcc.c-torture/compile/pr43164.c - copied unchanged from r157425, trunk/gcc/testsuite/gcc.c-torture/compile/pr43164.c branches/gcc-4_4-branch/gcc/testsuite/gcc.c-torture/compile/pr43188.c - copied unchanged from r157425, trunk/gcc/testsuite/gcc.c-torture/compile/pr43188.c branches/gcc-4_4-branch/gcc/testsuite/gcc.c-torture/compile/pr43191.c - copied unchanged from r157425, trunk/gcc/testsuite/gcc.c-torture/compile/pr43191.c branches/gcc-4_4-branch/gcc/testsuite/gcc.c-torture/compile/pr43255.c - copied unchanged from r157425, trunk/gcc/testsuite/gcc.c-torture/compile/pr43255.c branches/gcc-4_4-branch/gcc/testsuite/gcc.c-torture/compile/pr43288.c - copied unchanged from r157425, trunk/gcc/testsuite/gcc.c-torture/compile/pr43288.c branches/gcc-4_4-branch/gcc/testsuite/gcc.c-torture/execute/pr43269.c - copied unchanged from r157425, trunk/gcc/testsuite/gcc.c-torture/execute/pr43269.c branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/debug/dwarf2/pr43237.c - copied unchanged from r157425, trunk/gcc/testsuite/gcc.dg/debug/dwarf2/pr43237.c branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/pr43280.c - copied unchanged from r157425, trunk/gcc/testsuite/gcc.dg/pr43280.c branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/pr43299.c - copied unchanged from r157425, trunk/gcc/testsuite/gcc.dg/pr43299.c branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/torture/pr43165.c - copied unchanged from r157425, trunk/gcc/testsuite/gcc.dg/torture/pr43165.c branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/tree-ssa/ivopts-4.c - copied unchanged from r157425, trunk/gcc/testsuite/gcc.dg/tree-ssa/ivopts-4.c branches/gcc-4_4-branch/gcc/testsuite/gcc.target/i386/pr43107.c - copied unchanged from r157425, trunk/gcc/testsuite/gcc.target/i386/pr43107.c branches/gcc-4_4-branch/gcc/testsuite/gfortran.dg/debug/pr43166.f - copied unchanged from r157425, trunk/gcc/testsuite/gfortran.dg/debug/pr43166.f branches/gcc-4_4-branch/gcc/testsuite/gfortran.dg/internal_pack_10.f90 - copied unchanged from r157425, trunk/gcc/testsuite/gfortran.dg/internal_pack_10.f90 branches/gcc-4_4-branch/gcc/testsuite/gfortran.dg/pr43229.f90 - copied unchanged from r157425, trunk/gcc/testsuite/gfortran.dg/pr43229.f90 Modified: branches/gcc-4_4-branch/gcc/testsuite/ChangeLog