Description of problem: breakpoints are ignored

Version-Release number of selected component (if applicable):
  gdb-6.8.50.20081214-1.fc11.x86_64
  gcc-4.3.2-7.x86_64

How reproducible: always

Steps to Reproduce:

  $ printf '#include <stdio.h>\nint main(){printf("foo");return 0;}\n' > k.c
  $ gcc -g k.c
  $ gdb -q a.out
  (gdb) b main
  Breakpoint 1 at 0x4004b0: file k.c, line 2.
  (gdb) r
  Starting program: /t/a.out 
  foo
  Program exited normally.
  (gdb) 
 
Actual results: as above

Expected results: execution stops at entry to "main"

Additional info: