------- Comment #1 from ek dot kato at gmail dot com 2007-11-29 13:18 ------- It turns out that my explanation and assumption about uninitialization was wrong, but the real cause of the segmentation fault is that some functions call free_line(dtp) without resetting line_buffer_enabled. Here is the revised patch to avoid crash.
Index: list_read.c =================================================================== --- list_read.c (revision 130508) +++ list_read.c (working copy) @@ -125,6 +125,7 @@ free_mem (dtp->u.p.line_buffer); dtp->u.p.line_buffer = NULL; + dtp->u.p.line_buffer_enabled = 0; } -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34291
