Our test group added "-fchecking" to a script and my optimization
failed.

I can't find any explanation of this type of bug. I grepped the code
and flag_checking was all over the place so it's not like
I can use gdb to pin it down.

Can somebody help me make sense out of this?

lto1: error: type variant differs by TYPE_UNSIGNED
 <integer_type 0x7f39933411f8 public unsigned DI
    size <integer_cst 0x7f3993325bb8 type <integer_type 0x7f399333a0a8 
bitsizetype> constant 64>
    unit-size <integer_cst 0x7f3993325bd0 type <integer_type 0x7f399333a000 
sizetype> constant 8>
    align:64 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type 
0x7f399333a738 precision:64 min <integer_cst 0x7f3993325fd8 0> max <integer_cst 
0x7f3993326580 18446744073709551615>
    pointer_to_this <pointer_type 0x7f3992961690>>
 <integer_type 0x7f3992d1a3f0 _reorg_SP_ptr_type_node public DI
    size <integer_cst 0x7f3993325bb8 type <integer_type 0x7f399333a0a8 
bitsizetype> constant 64>
    unit-size <integer_cst 0x7f3993325bd0 type <integer_type 0x7f399333a000 
sizetype> constant 8>
    align:64 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type 
0x7f3992d1a3f0 precision:64 min <integer_cst 0x7f3992d26510 
-9223372036854775808> max <integer_cst 0x7f3992d57090 9223372036854775807>
    pointer_to_this <pointer_type 0x7f3992d1aa80>>
(null):0: confused by earlier errors, bailing out
lto-wrapper: fatal error: /home/gary/gcc_build_gcc11_v4/install/bin/gcc 
returned 1 exit status
compilation terminated.
[Leaving LTRANS ./exe.lto.o]
/usr/bin/ld: error: lto-wrapper failed
[Leaving exe.lto_wrapper_args]
collect2: error: ld returned 1 exit status

Thanks,

Gary


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