Between 20090522 (rev 147798) and 20090612 (rev 148427), Solaris 11/SPARC bootstrap broke configuring the stage1 sparcv9 libgcc: in config.log, I find
configure:2590: checking for suffix of object files configure:2611: /vol/gccsrc/obj/gcc-4.5.0-20090612/11-gcc/./gcc/xgcc -B/vol/gccsrc/obj/gcc-4.5.0-20090612/11-gcc/./gcc/ -B/vol/gcc/sparc-sun-solaris2.11/bin/ -B/vol/gcc/sparc-sun-solaris2.11/lib/ -isystem /vol/gcc/sparc-sun-solaris2.11/include -isystem /vol/gcc/sparc-sun-solaris2.11/sys-include -m64 -c -g -O2 conftest.c >&5 conftest.c:16:1: internal compiler error: in div_data_align, at dwarf2out.c:533 This can be reproduced with this conftest.c: int main () { ; return 0; } r...@galeras 49 > ./cc1 conftest.i -mptr64 -mstack-bias -mno-v8plus -mcpu=v9 -m64 -g main Analyzing compilation unit Performing interprocedural optimizations <visibility> <early_local_cleanups> <summary generate> <inline>Assembling functions: main conftest.c:7:1: internal compiler error: in div_data_align, at dwarf2out.c:533 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Running cc1 under gdb, I find Breakpoint 1, fancy_abort (file=0xe07518 "/vol/gcc/src/gcc-dist/gcc/dwarf2out.c", line=533, function=0xe07b60 "div_data_align") at /vol/gcc/src/gcc-dist/gcc/diagnostic.c:730 (gdb) where #0 fancy_abort (file=0xe07518 "/vol/gcc/src/gcc-dist/gcc/dwarf2out.c", line=533, function=0xe07b60 "div_data_align") at /vol/gcc/src/gcc-dist/gcc/diagnostic.c:730 #1 0x0034cedc in div_data_align (off=2047) at /vol/gcc/src/gcc-dist/gcc/dwarf2out.c:533 #2 0x0034cb2c in output_cfi (cfi=0xff012360, fde=0x0, for_eh=0) at /vol/gcc/src/gcc-dist/gcc/dwarf2out.c:3044 #3 0x0034df58 in output_call_frame_info (for_eh=0) at /vol/gcc/src/gcc-dist/gcc/dwarf2out.c:3397 #4 0x0034f618 in dwarf2out_frame_finish () at /vol/gcc/src/gcc-dist/gcc/dwarf2out.c:3740 #5 0x007d5e48 in compile_file () at /vol/gcc/src/gcc-dist/gcc/toplev.c:1071 #6 0x007d9278 in do_compile () at /vol/gcc/src/gcc-dist/gcc/toplev.c:2353 #7 0x007d939c in toplev_main (argc=8, argv=0xffbff634) at /vol/gcc/src/gcc-dist/gcc/toplev.c:2398 #8 0x0021a63c in main (argc=8, argv=0xffbff634) at /vol/gcc/src/gcc-dist/gcc/main.c:35 (gdb) up #1 0x0034cedc in div_data_align (off=2047) at /vol/gcc/src/gcc-dist/gcc/dwarf2out.c:533 (gdb) p r $2 = -255 (gdb) p off $3 = 2047 I suppose one of rth's recent DWARF patches is the culprit. On the other hand, i386-pc-solaris2.10 is unaffected. -- Summary: ICE in div_data_align, at dwarf2out.c:533 while configuring sparcv9 libgcc Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: ro at gcc dot gnu dot org GCC build triplet: sparc-sun-solaris2.11 GCC host triplet: sparc-sun-solaris2.11 GCC target triplet: sparc-sun-solaris2.11 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40431