[Bug target/50906] e500 exception unwinding under "-Os" causes SIGSEGV

[amodra at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50906

--- Comment #5 from Alan Modra <amodra at gmail dot com> 2011-11-02 00:05:42 UTC ---
    bl _save64gpr_24
    .loc 1 17 0
    mr 31,4
    .cfi_offset 31, -100
    .cfi_offset 1231, -104
    .cfi_offset 30, -108
    .cfi_offset 1230, -112
    .cfi_offset 29, -116
    .cfi_offset 1229, -120
    .cfi_offset 28, -124
    .cfi_offset 1228, -128
    .cfi_offset 27, -132
    .cfi_offset 1227, -136
    .cfi_offset 26, -140
    .cfi_offset 1226, -144
    .cfi_offset 25, -148
    .cfi_offset 1225, -152
    .cfi_offset 24, -156
    .cfi_offset 1224, -160

These are all wrong too, I think.

    .loc 1 26 0
    lwz 9,0(5)
    .loc 1 17 0
    mr 11,5

Yikes!!  Using r11 for something else, but no cfi directive to say the frame is
no longer in r11.