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bug#17817: 24.3.91; Assertion failure in bidi.c (Cygwin-w32 build)


From: Ken Brown
Subject: bug#17817: 24.3.91; Assertion failure in bidi.c (Cygwin-w32 build)
Date: Fri, 20 Jun 2014 15:54:16 +0100
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0

On 6/20/2014 3:47 PM, Eli Zaretskii wrote:
Date: Fri, 20 Jun 2014 15:40:28 +0100
From: Ken Brown <address@hidden>
CC: address@hidden

(gdb) p type + 0
$2 = 1
(gdb) p UNKNOWN_BT + 0
$3 = 0
(gdb) p NEUTRAL_ON + 0
$4 = 23

So, as you said, this is nonsense.

Yeah.  But still, the machine insists the value was bad.  Hmmm...

Can you show the disassembly of bidi_check_type?

(gdb) disas bidi_check_type
Dump of assembler code for function bidi_check_type:
   0x004d2837 <+0>:     push   %ebp
   0x004d2838 <+1>:     mov    %esp,%ebp
   0x004d283a <+3>:     sub    $0x18,%esp
   0x004d283d <+6>:     movzbl 0x9063f8,%eax
   0x004d2844 <+13>:    xor    $0x1,%eax
   0x004d2847 <+16>:    test   %al,%al
   0x004d2849 <+18>:    je     0x4d286d <bidi_check_type+54>
   0x004d284b <+20>:    cmpl   $0x17,0x8(%ebp)
   0x004d284f <+24>:    jbe    0x4d286d <bidi_check_type+54>
   0x004d2851 <+26>:    movl   $0x149,0x8(%esp)
   0x004d2859 <+34>:    movl   $0x86cc70,0x4(%esp)
   0x004d2861 <+42>:    movl   $0x86ccbc,(%esp)
   0x004d2868 <+49>:    call   0x56e818 <die>
   0x004d286d <+54>:    leave
   0x004d286e <+55>:    ret
End of assembler dump.







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