[O] bug#19606: 24.4; Emacs hangs when editing a 5-line Org file

[Eli Zaretskii]

> From: Fabrice Niessen <address@hidden>
> Cc: address@hidden,  address@hidden
> Date: Fri, 16 Jan 2015 13:04:00 +0100
> 
> (gdb) thread 1
> [Switching to thread 1 (Thread 17252.0x44f0)]
> #0  0x01142191 in Fnext_single_property_change (address@hidden,
>     prop=62947906, object=118795585, address@hidden)
>     at ../../emacs-24.4/src/textprop.c:1034
> 1034    ../../emacs-24.4/src/textprop.c: No such file or directory.
> (gdb) backtrace
> #0  0x01142191 in Fnext_single_property_change (address@hidden,
>     prop=62947906, object=118795585, address@hidden)
>     at ../../emacs-24.4/src/textprop.c:1034
> #1  0x0102e54f in handle_invisible_prop (it=0x889a14)
>     at ../../emacs-24.4/src/xdisp.c:4379
> #2  0x01022e18 in handle_stop (address@hidden)
>     at ../../emacs-24.4/src/xdisp.c:3478
> #3  0x010231e9 in next_element_from_string (it=0x889a14)
>     at ../../emacs-24.4/src/xdisp.c:7915
> #4  0x01025e1c in get_next_display_element (address@hidden)
>     at ../../emacs-24.4/src/xdisp.c:6925
> #5  0x0102b00f in display_line (it=<optimized out>)
>     at ../../emacs-24.4/src/xdisp.c:20183
> #6  0x00000000 in ?? ()

Looks like an infloop due to display or overlay strings with text
properties.  Can you reproduce this in an unoptimized build?