Bug#378628: gcc-4.0: GCC 4.0.3 miscompile debugging information

2006-07-17 Thread Tiago Macambira
Package: gcc-4.0 Version: 4.0.3-1 Severity: normal Linux kernels compiled with gcc 4.0.3 have invalid debuging information. More information on this issue and how to verify this error can be obtained in bug #378621. I'll also have to use gcc 4.0.3 to compile a kernel with CONFIG_DEBUG_INFO,

Bug#378628: gcc-4.0: GCC 4.0.3 miscompile debugging information

2006-07-17 Thread Eugeniy Meshcheryakov
This bug can also be reproduced without systemtap. Simple demo attached. Usage (on i386): % gcc-4.0 -g -mregparm=2 -O2 driver.c 1.c % gdb ./a.out GNU gdb 6.4.90-debian ...cut... (gdb) br sys_open Breakpoint 1 at 0x8048363: file 1.c, line 5. (gdb) run Starting program: /tmp/out/a.out Breakpoint