[Bug c++/72822] New: libiberty/ demangler crash

[jan.kratochvil at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72822

            Bug ID: 72822
           Summary: libiberty/ demangler crash
           Product: gcc
           Version: 6.1.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jan.kratochvil at redhat dot com
  Target Milestone: ---

https://bugzilla.redhat.com/show_bug.cgi?id=1364588

r239179 2016-08-05

_ZNK6clover6detail11basic_rangeINS_13adaptor_rangeIZNS_6kernel6launchERNS_13command_queueERKSt6vectorImSaImEESA_SA_EUlmE_JRS8_EEENS0_16iterator_adaptorISB_JN9__gnu_cxx17__normal_iteratorIPmS8_EEEEESJ_EcvT_IS6_IPjSaISN_EEvEEv

echo -e
'\n_ZNK6clover6detail11basic_rangeINS_13adaptor_rangeIZNS_6kernel6launchERNS_13command_queueERKSt6vectorImSaImEESA_SA_EUlmE_JRS8_EEENS0_16iterator_adaptorISB_JN9__gnu_cxx17__normal_iteratorIPmS8_EEEEESJ_EcvT_IS6_IPjSaISN_EEvEEv'|./test-demangle 
Segmentation fault

[...]
#44 0x000000000040cb94 in d_print_comp (dpi=0x7fffffffa190, options=<optimized
out>, dc=<optimized out>) at cp-demangle.c:5594
#45 0x0000000000408fa8 in d_print_comp_inner (dpi=0x7fffffffa190, options=275,
dc=<optimized out>) at cp-demangle.c:4544
#46 0x000000000040cb94 in d_print_comp (dpi=0x7fffffffa190, options=<optimized
out>, dc=<optimized out>) at cp-demangle.c:5594
#47 0x0000000000408fe8 in d_print_comp_inner (dpi=0x7fffffffa190, options=275,
dc=<optimized out>) at cp-demangle.c:4742
#48 0x000000000040afcf in d_print_comp (dc=<optimized out>, options=275,
dpi=0x7fffffffa190) at cp-demangle.c:5594
#49 d_print_conversion (dc=0x7fffffffb018, options=275, dpi=0x7fffffffa190) at
cp-demangle.c:5995
#50 d_print_comp_inner (dpi=0x7fffffffa190, options=275, dc=0x7fffffffb018) at
cp-demangle.c:5212
#51 0x000000000040cb94 in d_print_comp (dpi=0x7fffffffa190, options=<optimized
out>, dc=<optimized out>) at cp-demangle.c:5594
#52 0x0000000000408fa8 in d_print_comp_inner (dpi=0x7fffffffa190, options=275,
dc=<optimized out>) at cp-demangle.c:4544
#53 0x000000000040cb94 in d_print_comp (dpi=0x7fffffffa190, options=<optimized
out>, dc=<optimized out>) at cp-demangle.c:5594
#54 0x0000000000408fe8 in d_print_comp_inner (dpi=0x7fffffffa190, options=275,
dc=<optimized out>) at cp-demangle.c:4742
#55 0x000000000040afcf in d_print_comp (dc=<optimized out>, options=275,
dpi=0x7fffffffa190) at cp-demangle.c:5594
#56 d_print_conversion (dc=0x7fffffffb018, options=275, dpi=0x7fffffffa190) at
cp-demangle.c:5995
#57 d_print_comp_inner (dpi=0x7fffffffa190, options=275, dc=0x7fffffffb018) at
cp-demangle.c:5212
[...]
#79591 0x0000000000400fdd in main (argc=<optimized out>, argv=0x7fffffffd7a8)
at test-demangle.c:317