GNU Fortran (GCC) version 4.5.0 20090422 (experimental) [trunk revision 146549]
at -O0 segfaults on a recent CP2K: http://www.pci.uzh.ch/vandevondele/tmp/CP2K_2009-05-01.f90.gz with the following bt from within gdb: gdb /data03/vondele/gcc_trunk/build/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/f951 GNU gdb 6.8 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-suse-linux"... (gdb) run CP2K_2009-05-01.f90 -quiet -dumpbase all.f90 -mtune=generic -auxbase all -version -fintrinsic-modules-path /data03/vondele/gcc_trunk/build/lgcc/x86_64-unknown-linux-gnu/4.5.0/finclude -o /tmp/ccxw5dCZ.s Starting program: /data03/vondele/gcc_trunk/build/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/f951 CP2K_2009-05-01.f90 -quiet -dumpbase all.f90 -mtune=generic -auxbase all -version -fintrinsic-modules-path /data03/vondele/gcc_trunk/build/lgcc/x86_64-unknown-linux-gnu/4.5.0/finclude -o /tmp/ccxw5dCZ.s GNU Fortran (GCC) version 4.5.0 20090422 (experimental) [trunk revision 146549] (x86_64-unknown-linux-gnu) compiled by GNU C version 4.5.0 20090422 (experimental) [trunk revision 146549], GMP version 4.2.2, MPFR version 2.3.1. GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 GNU Fortran (GCC) version 4.5.0 20090422 (experimental) [trunk revision 146549] (x86_64-unknown-linux-gnu) compiled by GNU C version 4.5.0 20090422 (experimental) [trunk revision 146549], GMP version 4.2.2, MPFR version 2.3.1. GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Program received signal SIGSEGV, Segmentation fault. gt_ggc_mx_lang_tree_node (x_p=0x7f5aed321540) at ./gt-fortran-f95-lang.h:46 46 { (gdb) bt #0 gt_ggc_mx_lang_tree_node (x_p=0x7f5aed321540) at ./gt-fortran-f95-lang.h:46 #1 0x00000000005283d9 in gt_ggc_mx_lang_tree_node (x_p=<value optimized out>) at ./gt-fortran-f95-lang.h:314 #2 0x000000000052841f in gt_ggc_mx_lang_tree_node (x_p=<value optimized out>) at ./gt-fortran-f95-lang.h:319 #3 0x0000000000528487 in gt_ggc_mx_lang_tree_node (x_p=<value optimized out>) at ./gt-fortran-f95-lang.h:337 #4 0x0000000000528487 in gt_ggc_mx_lang_tree_node (x_p=<value optimized out>) at ./gt-fortran-f95-lang.h:337 looks like some crazy recursion: #31575 0x0000000000528487 in gt_ggc_mx_lang_tree_node (x_p=<value optimized out>) at ./gt-fortran-f95-lang.h:337 #31576 0x0000000000528487 in gt_ggc_mx_lang_tree_node (x_p=<value optimized out>) at ./gt-fortran-f95-lang.h:337 #31577 0x0000000000528487 in gt_ggc_mx_lang_tree_node (x_p=<value optimized out>) at ./gt-fortran-f95-lang.h:337 #31578 0x0000000000528487 in gt_ggc_mx_lang_tree_node (x_p=<value optimized out>) at ./gt-fortran-f95-lang.h:337 #31579 0x0000000000528487 in gt_ggc_mx_lang_tree_node (x_p=<value optimized out>) at ./gt-fortran-f95-lang.h:337 -- Summary: segfault in gt_ggc_mx_lang_tree_node Product: gcc Version: 4.5.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jv244 at cam dot ac dot uk GCC host triplet: x86_64-unknown-linux-gnu GCC target triplet: x86_64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40005
