[Bug rtl-optimization/34716] application segfaults when compiled with -O2, but works well with -O1

2008-01-08 Thread aleksey dot shipilev at gmail dot com
--- Comment #6 from aleksey dot shipilev at gmail dot com 2008-01-08 20:37 --- Here you go, Andrew. # gdb ./a.out GNU gdb 6.7.1 (gdb) set disassembly-flavor intel (gdb) run Starting program: ~/src/gcc-b/a.out before: output=bffa911c, buf=bffa8f1c after: output=bffa911c, buf=bffa8f1c

[Bug rtl-optimization/34716] application segfaults when compiled with -O2, but works well with -O1

2008-01-08 Thread aleksey dot shipilev at gmail dot com
--- Comment #4 from aleksey dot shipilev at gmail dot com 2008-01-08 20:06 --- Created an attachment (id=14905) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14905&action=view) Updated test One should get the read from device working. If the test prints "FAILED"

[Bug rtl-optimization/34716] application segfaults when compiled with -O2, but works well with -O1

2008-01-08 Thread aleksey dot shipilev at gmail dot com
--- Comment #3 from aleksey dot shipilev at gmail dot com 2008-01-08 19:47 --- Sorry, Andrew, but result=-1 shows that ioctl failed to read enough data from the device (maybe your device does not support SMART?). I tried to get rid of any of such hardware-specific code, but can&#

[Bug rtl-optimization/34716] application segfaults when compiled with -O2, but works well with -O1

2008-01-08 Thread aleksey dot shipilev at gmail dot com
--- Comment #1 from aleksey dot shipilev at gmail dot com 2008-01-08 19:07 --- Created an attachment (id=14901) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14901&action=view) test used in issue This test was derived from powertweak code, which segfaults. --

[Bug rtl-optimization/34716] New: application segfaults when compiled with -O2, but works well with -O1

2008-01-08 Thread aleksey dot shipilev at gmail dot com
on AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: aleksey dot shipilev at gmail dot com GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34716