http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46518
--- Comment #7 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-11-17 16:22:20 UTC --- Under x86_64 Fedora, when built with... ../gcc/configure --with-gmp=/usr --with-mpfr=/usr --with-mpc=/usr --prefix=/home/howarth/dist --enable-languages=c,c++,fortran --enable-build-with-cxx --disable-lto I get failure... Executing on host: /home/howarth/work/gcc/testsuite/gfortran/../../gfortran -B/home/howarth/work/gcc/testsuite/gfortran/../../ -L/home/howarth/work/x86_64-unknown-linux-gnu/32/libgfor tran /home/howarth/gcc/gcc/testsuite/gfortran.dg/pr42294.f -O -O2 -fselective-scheduling2 -fsel-sched-pipelining -funroll-all-loops -S -m32 -o pr42294.s (timeout = 300) /home/howarth/gcc/gcc/testsuite/gfortran.dg/pr42294.f: In function 'orien': /home/howarth/gcc/gcc/testsuite/gfortran.dg/pr42294.f:39:0: internal compiler error: Segmentation fault This backtraces as... gdb /home/howarth/work/gcc/testsuite/gfortran/../../f951 GNU gdb Fedora (6.8-32.fc10) Copyright (C) 2008 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu"... (gdb) r /home/howarth/gcc/gcc/testsuite/gfortran.dg/pr42294.f -ffixed-form -quiet -dumpbase pr42294.f -m32 -mtune=generic -march=x86-64 -auxbase-strip pr42294.s -O -O2 -version -fselective-scheduling2 -fsel-sched-pipelining -funroll-all-loops -o pr42294.s -fintrinsic-modules-path finclude Starting program: /home/howarth/work/gcc/f951 /home/howarth/gcc/gcc/testsuite/gfortran.dg/pr42294.f -ffixed-form -quiet -dumpbase pr42294.f -m32 -mtune=generic -march=x86-64 -auxbase-strip pr42294.s -O -O2 -version -fselective-scheduling2 -fsel-sched-pipelining -funroll-all-loops -o pr42294.s -fintrinsic-modules-path finclude GNU Fortran (GCC) version 4.6.0 20101117 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.6.0 20101117 (experimental), GMP version 4.2.2, MPFR version 2.3.2, MPC version 0.8 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 GNU Fortran (GCC) version 4.6.0 20101117 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.6.0 20101117 (experimental), GMP version 4.2.2, MPFR version 2.3.2, MPC version 0.8 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Program received signal SIGSEGV, Segmentation fault. vinsn_detach (vi=0x0) at ../../gcc/gcc/sel-sched-ir.c:1271 1271 gcc_assert (VINSN_COUNT (vi) > 0); Current language: auto; currently c++ Missing separate debuginfos, use: debuginfo-install cloog-ppl-0.15.8-2f10.x86_64 gmp-4.2.2-8.fc10.x86_64 libgcc-4.3.2-7.x86_64 libmpc-0.8-3.fc10.x86_64 libstdc++-4.3.2-7.x86_64 mpfr-2.3.2-1.fc10.x86_64 ppl-0.10.2-6.fc10.x86_64 (gdb) bt #0 vinsn_detach (vi=0x0) at ../../gcc/gcc/sel-sched-ir.c:1271 #1 0x0000000000823e6c in clear_expr (expr=0x7fffffffdcd0) at ../../gcc/gcc/sel-sched-ir.c:1864 #2 0x0000000000839bc6 in schedule_expr_on_boundary (bnd=<value optimized out>, expr_vliw=0x15173c0, seqno=-1) at ../../gcc/gcc/sel-sched.c:5435 #3 0x000000000083aa1c in fill_insns (scheduled_insns_tailpp=Unhandled dwarf expression opcode 0xf2 ) at ../../gcc/gcc/sel-sched.c:5576 #4 schedule_on_fences (scheduled_insns_tailpp=Unhandled dwarf expression opcode 0xf2 ) at ../../gcc/gcc/sel-sched.c:7298 #5 sel_sched_region_2 (orig_max_seqno=51) at ../../gcc/gcc/sel-sched.c:7432 #6 0x000000000083e30f in sel_sched_region_1 () at ../../gcc/gcc/sel-sched.c:7476 #7 sel_sched_region (rgn=<value optimized out>) at ../../gcc/gcc/sel-sched.c:7575 #8 0x00000000014cd7e0 in ?? () #9 0x00000000000001f8 in ?? () #10 0x0000000000000100 in ?? () #11 0x00000000014cd7f0 in ?? () #12 0x0000000000000200 in ?? () #13 0x0000003099a7bfc7 in _int_realloc (av=0x101010101010101, oldmem=0x1, bytes=<value optimized out>) at malloc.c:5083 #14 0x0000003099a7cfbe in __libc_realloc (oldmem=0x14bfd90, bytes=504) at malloc.c:3708 #15 0x00000000005b8137 in bitmap_copy (to=0x12f6001, from=0x1f8) at ../../gcc/gcc/bitmap.c:517 #16 0x0000000000000034 in ?? () #17 0xfffffffffffffff8 in ?? () #18 0x0000000000000000 in ?? ()
