http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53686
Bug #: 53686 Summary: gnatchop -r raises STORAGE_ERROR on all inputs Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: ada AssignedTo: unassig...@gcc.gnu.org ReportedBy: georg...@googlemail.com Given any unit, such as package Unit is pragma Pure (Unit); end Unit; in file "unit.ada", gnatchop fails when run with -r (or -r -w): $ PATH=${HOME}/mine/bin:/usr/bin:/bin gnatchop -r -v unit.ada GNATCHOP 4.8.0 20120615 (experimental) Copyright (C) 1998-2012, Free Software Foundation, Inc. /home/bauhaus/mine/bin/gcc -c -x ada -gnats -gnatu unit.ada splitting unit.ada into: raised STORAGE_ERROR : stack overflow or erroneous memory access $ ${HOME}/mine has an installation of GCC Rev 188651. An attempt at debugging hints at line 1605 in gnatchop.ada, Reference : String := "pragma Source_Reference (000000, """ & Nam.all & """);" & EOL.Str; (gdb) ... Program received signal SIGSEGV, Segmentation fault. __memcpy_ssse3 () at ../sysdeps/x86_64/multiarch/memcpy-ssse3.S:1955 1955 ../sysdeps/x86_64/multiarch/memcpy-ssse3.S: No such file or directory. (gdb) where #0 __memcpy_ssse3 () at ../sysdeps/x86_64/multiarch/memcpy-ssse3.S:1955 #1 0x0000000000451cff in gnatchop.write_source_reference_pragma (info=..., line=1, file=0x775740, eol=..., success=<optimized out>) at /home/bauhaus/src/gcc/trunk/gcc/ada/gnatchop.adb:1605 #2 0x0000000000452efa in gnatchop.write_unit (source=..., num=num@entry=1, ts_time=ts_time@entry=1339772574, write_bom=<optimized out>, <sourceL>=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /home/bauhaus/src/gcc/trunk/gcc/ada/gnatchop.adb:1740 #3 0x0000000000456f94 in gnatchop.write_chopped_files (input=1) at /home/bauhaus/src/gcc/trunk/gcc/ada/gnatchop.adb:1475 #4 gnatchop () at /home/bauhaus/src/gcc/trunk/gcc/ada/gnatchop.adb:1861 Linux newnews 3.2.0-24-generic #39-Ubuntu SMP Mon May 21 16:52:17 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux $ uname -a Linux newnews 3.2.0-24-generic #39-Ubuntu SMP Mon May 21 16:52:17 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux $ PATH=${HOME}/mine/bin:$PATH gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/home/bauhaus/mine/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /home/bauhaus/src/gcc/trunk/configure --prefix=/home/bauhaus/mine --disable-nls --disable-libstdcxx-pch --enable-languages=c,ada,c++,fortran LIBRARY_PATH=/usr/lib/x86_64-linux-gnu Thread model: posix gcc version 4.8.0 20120615 (experimental) (GCC)