DWARF-5 implemented in 8.0 has a bug: -gdwarf-4: ptype logical type = const char [2] (gdb) PASS: gdb.base/constvars.exp: ptype logical -gdwarf-5: ptype logical type = const char [] (gdb) FAIL: gdb.base/constvars.exp: ptype logical <2><2fc>: Abbrev Number: 1 (DW_TAG_variable) <2fd> DW_AT_name : (indirect string, offset: 0x2eb): logical <301> DW_AT_decl_file : 1 1 DW_TAG_variable [no children] DW_AT_name DW_FORM_strp DW_AT_decl_file DW_FORM_implicit_const: 1 During symbol reading, invalid attribute class or form for 'DW_FORM_implicit_const' in '(null)'.
The master branch has been updated by Jan Kratochvil <jkratoch@sourceware.org>: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=663c44ac4d4336e99c282705b1d289b365b273d3 commit 663c44ac4d4336e99c282705b1d289b365b273d3 Author: Jan Kratochvil <jan.kratochvil@redhat.com> Date: Thu Aug 24 16:39:11 2017 +0200 DWARF-5 Fix DW_FORM_implicit_const -gdwarf-4: ptype logical type = const char [2] (gdb) PASS: gdb.base/constvars.exp: ptype logical -gdwarf-5: ptype logical type = const char [] (gdb) FAIL: gdb.base/constvars.exp: ptype logical <2><2fc>: Abbrev Number: 1 (DW_TAG_variable) <2fd> DW_AT_name : (indirect string, offset: 0x2eb): logical <301> DW_AT_decl_file : 1 1 DW_TAG_variable [no children] DW_AT_name DW_FORM_strp DW_AT_decl_file DW_FORM_implicit_const: 1 During symbol reading, invalid attribute class or form for 'DW_FORM_implicit_const' in '(null)'. gdb/ChangeLog 2017-08-24 Jan Kratochvil <jan.kratochvil@redhat.com> PR symtab/22003 * dwarf2read.c (dwarf2_const_value_attr, dump_die_shallow) (dwarf2_get_attr_constant_value, dwarf2_fetch_constant_bytes) (skip_form_bytes, attr_form_is_constant): Handle DW_FORM_implicit_const.
The gdb-8.0-branch branch has been updated by Jan Kratochvil <jkratoch@sourceware.org>: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f74f69f45570ced87b9f778983a63157b551a129 commit f74f69f45570ced87b9f778983a63157b551a129 Author: Jan Kratochvil <jan.kratochvil@redhat.com> Date: Thu Aug 24 16:39:11 2017 +0200 DWARF-5 Fix DW_FORM_implicit_const -gdwarf-4: ptype logical type = const char [2] (gdb) PASS: gdb.base/constvars.exp: ptype logical -gdwarf-5: ptype logical type = const char [] (gdb) FAIL: gdb.base/constvars.exp: ptype logical <2><2fc>: Abbrev Number: 1 (DW_TAG_variable) <2fd> DW_AT_name : (indirect string, offset: 0x2eb): logical <301> DW_AT_decl_file : 1 1 DW_TAG_variable [no children] DW_AT_name DW_FORM_strp DW_AT_decl_file DW_FORM_implicit_const: 1 During symbol reading, invalid attribute class or form for 'DW_FORM_implicit_const' in '(null)'. gdb/ChangeLog 2017-08-24 Jan Kratochvil <jan.kratochvil@redhat.com> PR symtab/22003 * dwarf2read.c (dwarf2_const_value_attr, dump_die_shallow) (dwarf2_get_attr_constant_value, dwarf2_fetch_constant_bytes) (skip_form_bytes, attr_form_is_constant): Handle DW_FORM_implicit_const.
Checked in.