target/6678: g++ 3.1 leaks memory when throwing exceptions

[rth@gcc.gnu.org]

Synopsis: g++ 3.1 leaks memory when throwing exceptions

Responsible-Changed-From-To: unassigned->rth
Responsible-Changed-By: rth
Responsible-Changed-When: Thu Jun 20 18:00:20 2002
Responsible-Changed-Why:
    Bug has nothing to do with Solaris, and everything to do with
    i386 vs i686 -- i.e. -maccumulate-outgoing-args.
    
    Frame unwind information does not account for preferred 
    stack alignment:
    
            subl    $16, %esp
    .LEHB0:
    .LCFI9:
            call    _Z4fkt1v
    
            .byte   0x4     # DW_CFA_advance_loc4
            .long   .LCFI9-.LCFI7
            .byte   0x2e    # DW_CFA_GNU_args_size
            .uleb128 0x4

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