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Subject: [Bug middle-end/47727] [x32] Many passes can't handle const symbol when Pmode != ptr_mode
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47727

--- Comment #11 from Uros Bizjak <ubizjak at gmail dot com> 2011-07-28 09:22:29 UTC ---
With recent changes in mainline, the testcase from Comment #0 compiles OK:

__do_global_ctors_aux:
.LFB0:
    .cfi_startproc
    mov    -4+__CTOR_END__(%rip), %eax
    pushq    %rbx
    .cfi_def_cfa_offset 16
    .cfi_offset 3, -16
    cmpl    $-1, %eax
    je    .L1
    leal    -4+__CTOR_END__(%rip), %ebx
    .p2align 4,,10
    .p2align 3
.L3:
    leal    -4(%rbx), %ebx
    call    *%rax
    mov    (%rbx), %eax
    cmpl    $-1, %eax
    jne    .L3
.L1:
    popq    %rbx
    .cfi_def_cfa_offset 8
    ret
    .cfi_endproc

Probably, the patch is not needed at all.