[Bug binutils/24397] New: Segmentation fault demangling symbol

[vanboxem.ruben at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=24397

            Bug ID: 24397
           Summary: Segmentation fault demangling symbol
           Product: binutils
           Version: 2.31
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: vanboxem.ruben at gmail dot com
  Target Milestone: ---

Created attachment 11708
  --> https://sourceware.org/bugzilla/attachment.cgi?id=11708&action=edit
preprocessed source for symbol

Executing this command:

c++filt
_ZN5boost6spirit2x36detail17parse_alternativeINS1_15rule_definitionIN4skui3css7grammar4rgbaENS1_8sequenceINS9_INS9_INS9_INS9_INS9_INS9_INS9_INS9_INS1_14literal_stringIPKcNS0_13char_encoding8standardENS1_11unused_typeEEENS1_12literal_charISE_SF_EEEENS4_INS7_19percentage_or_uint8ENS1_11alternativeINS4_IZNKS7_2asIfEUlOT_E_clINS1_6actionINSS_INSS_INS4_INS7_10percentageENSS_INS9_INS1_11real_parserIfNS1_13real_policiesIfEEEESI_EENS7_6divideIfEEEEfLb1EEENS7_5clampIfEEEENS7_8multiplyIfEEEENS7_UlRSO_E0_EEEEEDaSP_E1_S1B_fLb1EEENS4_IZNKSR_INSS_INSU_IfNS1_14ureal_policiesIfEEEES14_EEEEDaSP_E1_S1H_fLb1EEEEEhLb1EEEEESI_EES1L_EESI_EES1L_EESI_EENS4_IZNKSR_INSS_INSS_INS4_INS7_24percentage_or_normalizedENSL_IS15_S1H_EEfLb1EEES17_EES1A_EEEEDaSP_E1_S1W_fLb1EEEEESI_EENS6_5colorELb1EEEN9__gnu_cxx17__normal_iteratorISC_NSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEENS1_7contextINS7_6color_EKNSL_INSL_INSL_INSL_INSL_INS7_17named_color_tableENS1_16lexeme_directiveINS9_ISI_NSL_INSL_INSL_INS4_INS7_9hex_alphaENS9_INS9_INS9_INS1_11uint_parserIhLj16ELj2ELi2EEES2I_EES2I_EES2I_EES21_Lb0EEENS4_INS7_3hexENS9_IS2K_NS1_11attr_parserIiEEEES21_Lb0EEEEENS4_INS7_15short_hex_alphaENS9_INS9_INS9_INS4_INS7_13shorthand_hexENSS_INS2H_IhLj16ELj1ELi1EEENS16_IhEEEEhLb1EEES2Y_EES2Y_EES2Y_EES21_Lb0EEEEENS4_INS7_9short_hexENS9_IS30_S2P_EES21_Lb0EEEEEEEEEEENS4_INS7_3rgbENS9_INS9_IS1Q_S2P_EESI_EES21_Lb1EEEEES22_EENS4_INS7_3hslENSS_INS9_INS9_INS9_INS9_INS9_INS9_ISJ_NS4_INS7_18degrees_normalizedENSS_IS1G_NS7_L19clamp_and_normalizeILi360EEUlS19_E_EEEfLb1EEEEESI_EES1U_EESI_EES1U_EESI_EEZNS7_7factoryIPFS21_fffEEEDaSO_EUlS19_E_EES21_Lb0EEEEENS4_INS7_4hslaENSS_INS9_INS9_IS3T_S1U_EESI_EEZNS3U_IPFS21_ffffEEEDaSO_EUlS19_E_EES21_Lb0EEEEENS2C_INS7_11color_stop_EKNS9_INS4_IS2D_S49_S21_Lb0EEENSL_INS1_8optionalINSL_INS4_INS6_6lengthENSL_INS9_INSU_IfNS7_28non_scientific_real_policiesIfEEEENS7_10unit_tableEEENS9_ISX_S4I_EEEES4E_Lb1EEES12_EEEENS2O_ISt8optionalIfEEEEEEENS2C_INS1_11skipper_tagEKNS1_10char_classISE_NS1_9space_tagEEESF_EEEEEES21_S21_EEbRKSO_RT0_RKS55_RKT1_RT2_RT3_

Causes a segfault in libbfd.
This also causes gdb to fail to load symbols and thus makes a binary with such
a symbol undebuggable.

Attached preprocessed source generates this symbol using GCC 8.2.

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