bug#18438: 24.4.50; assertion failed in bidi.c

[aidalgol]

On Wed, 22 Oct 2014 16:39:42 -0400, Ken Brown wrote:
> Here's one more random idea.  In case this problem is caused by a bug
> in one of the libraries that Emacs depends on, I wonder if it would 
> be
> useful for Aidan to build emacs so that it depends on only those
> libraries that he absolutely needs.  (Aidan, you can use cygcheck or
> ldd to see which DLLs Emacs pulls in.)  If, by some miracle, the
> crashes and assertion violations stop, he can add them back in one by
> one to see which one is the culprit.

Welp, another one bites the dust.  Asserts still happening.

$ ldd src/emacs.exe
        ntdll.dll => /cygdrive/c/Windows/SYSTEM32/ntdll.dll 
(0x76ff0000)
        kernel32.dll => /cygdrive/c/Windows/system32/kernel32.dll 
(0x76d70000)
        KERNELBASE.dll => /cygdrive/c/Windows/system32/KERNELBASE.dll 
(0x7fefd6b0000)
        cygwin1.dll => /usr/bin/cygwin1.dll (0x180040000)
        cygncursesw-10.dll => /usr/bin/cygncursesw-10.dll (0x3faa30000)
        cygxml2-2.dll => /usr/bin/cygxml2-2.dll (0x3f9640000)
        cygiconv-2.dll => /usr/bin/cygiconv-2.dll (0x3fd0f0000)
        cygz.dll => /usr/bin/cygz.dll (0x3f9620000)
        cyggcc_s-seh-1.dll => /usr/bin/cyggcc_s-seh-1.dll (0x3fd890000)
        ADVAPI32.dll => /cygdrive/c/Windows/system32/ADVAPI32.dll 
(0x7fefdd20000)
        msvcrt.dll => /cygdrive/c/Windows/system32/msvcrt.dll 
(0x7feff070000)
        sechost.dll => /cygdrive/c/Windows/SYSTEM32/sechost.dll 
(0x7fefda30000)
        RPCRT4.dll => /cygdrive/c/Windows/system32/RPCRT4.dll 
(0x7fefdad0000)
        COMCTL32.dll => 
/cygdrive/c/Windows/WinSxS/amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_fa396087175ac9ac/COMCTL32.dll 
(0x7fefbe70000)
        GDI32.dll => /cygdrive/c/Windows/system32/GDI32.dll 
(0x7fefda50000)
        USER32.dll => /cygdrive/c/Windows/system32/USER32.dll 
(0x76c70000)
        LPK.dll => /cygdrive/c/Windows/system32/LPK.dll (0x7feff110000)
        USP10.dll => /cygdrive/c/Windows/system32/USP10.dll 
(0x7fefdc00000)
        SHLWAPI.dll => /cygdrive/c/Windows/system32/SHLWAPI.dll 
(0x7fefe070000)
        comdlg32.dll => /cygdrive/c/Windows/system32/comdlg32.dll 
(0x7fefefd0000)
        SHELL32.dll => /cygdrive/c/Windows/system32/SHELL32.dll 
(0x7fefe240000)
        ole32.dll => /cygdrive/c/Windows/system32/ole32.dll 
(0x7fefde60000)
        IMM32.DLL => /cygdrive/c/Windows/system32/IMM32.DLL 
(0x7fefe210000)
        MSCTF.dll => /cygdrive/c/Windows/system32/MSCTF.dll 
(0x7fefd820000)

assert-CONSP-emacs_c-126aa17-minimal
Description: Text document