[Bug middle-end/63244] [4.9 regression] internal compiler error: Segmentation fault (program cc1plus)

[nheghathivhistha at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63244

--- Comment #8 from David Kredba <nheghathivhistha at gmail dot com> ---
I tried gdb and follow-fork-mode child and bt is repeating below for me.

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#101591 0x0000000000e99a17 in d_print_comp (dpi=dpi@entry=0x7fffffff9200,
options=options@entry=0, dc=<optimized out>)
    at
/var/tmp/portage/sys-devel/gcc-4.9.2_alpha20140911/work/gcc-4.9-20140911/libiberty/cp-demangle.c:4517
#101592 0x0000000000e9c618 in d_print_cast (dpi=dpi@entry=0x7fffffff9200,
options=options@entry=0, dc=0x7fffffff9d90)
    at
/var/tmp/portage/sys-devel/gcc-4.9.2_alpha20140911/work/gcc-4.9-20140911/libiberty/cp-demangle.c:5700
#101593 0x0000000000e9a623 in d_print_comp (dpi=dpi@entry=0x7fffffff9200,
options=options@entry=0, dc=dc@entry=0x7fffffff9d90)
    at
/var/tmp/portage/sys-devel/gcc-4.9.2_alpha20140911/work/gcc-4.9-20140911/libiberty/cp-demangle.c:4967
#101594 0x0000000000e9a278 in d_print_comp (dpi=dpi@entry=0x7fffffff9200,
options=options@entry=0, dc=<optimized out>)
    at
/var/tmp/portage/sys-devel/gcc-4.9.2_alpha20140911/work/gcc-4.9-20140911/libiberty/cp-demangle.c:4326
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