[Bug bootstrap/41241] [4.5 regression] bootstrap comparison failure

[ebotcazou at gcc dot gnu dot org]

------- Comment #23 from ebotcazou at gcc dot gnu dot org  2009-09-04 11:51 -------
> Seems to work for me now.  (three of three bootstraps succeeded)

Reconfirmed at revision 151417:

Comparing stages 2 and 3
warning: gcc/cc1-checksum.o differs
warning: gcc/cc1plus-checksum.o differs
Bootstrap comparison failure!
gcc/cfgloopmanip.o differs
gcc/ada/sem_res.o differs
gcc/ada/checks.o differs
gcc/ada/sem_dist.o differs
gcc/ada/exp_ch9.o differs
gcc/ada/exp_util.o differs
gcc/ada/exp_dist.o differs
make[2]: *** [compare] Error 1

I'm going to attach cfgloopmanip.o (stage2 + stripped stage3).  The visible
difference is the eh_frame section:

cfgloopmanip-stage2.o:     file format elf32-i386

Sections:
Idx Name          Size      VMA       LMA       File off  Algn
  0 .text         00003ebd  00000000  00000000  00000040  2**4
                  CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE
  1 .data         00000000  00000000  00000000  00003f00  2**2
                  CONTENTS, ALLOC, LOAD, DATA
  2 .bss          00000004  00000000  00000000  00003f00  2**2
                  ALLOC
  3 .rodata.str1.4 000000b9  00000000  00000000  00003f00  2**2
                  CONTENTS, ALLOC, LOAD, READONLY, DATA
  4 .rodata.str1.1 0000004f  00000000  00000000  00003fb9  2**0
                  CONTENTS, ALLOC, LOAD, READONLY, DATA
  5 .rodata       00000135  00000000  00000000  00004008  2**0
                  CONTENTS, ALLOC, LOAD, READONLY, DATA
  6 .comment      00000042  00000000  00000000  0000413d  2**0
                  CONTENTS, READONLY
  7 .note.GNU-stack 00000000  00000000  00000000  0000417f  2**0
                  CONTENTS, READONLY


cfgloopmanip-stage3.o:     file format elf32-i386

Sections:
Idx Name          Size      VMA       LMA       File off  Algn
  0 .text         00003ebd  00000000  00000000  00000040  2**4
                  CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE
  1 .data         00000000  00000000  00000000  00003f00  2**2
                  CONTENTS, ALLOC, LOAD, DATA
  2 .bss          00000004  00000000  00000000  00003f00  2**2
                  ALLOC
  3 .rodata.str1.4 000000b9  00000000  00000000  00003f00  2**2
                  CONTENTS, ALLOC, LOAD, READONLY, DATA
  4 .rodata.str1.1 0000004f  00000000  00000000  00003fb9  2**0
                  CONTENTS, ALLOC, LOAD, READONLY, DATA
  5 .rodata       00000135  00000000  00000000  00004008  2**0
                  CONTENTS, ALLOC, LOAD, READONLY, DATA
  6 .comment      00000042  00000000  00000000  0000413d  2**0
                  CONTENTS, READONLY
  7 .note.GNU-stack 00000000  00000000  00000000  0000417f  2**0
                  CONTENTS, READONLY
  8 .eh_frame     00001650  00000000  00000000  00004180  2**2
                  CONTENTS, ALLOC, LOAD, RELOC, READONLY, DATA


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41241