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Jan Kratochvil authored
Fedora Rawhide started to use -D_GLIBCXX_DEBUG which made gdb-add-index failing: gdb: Out-of-bounds vector access while running gdb-add-index https://bugzilla.redhat.com/show_bug.cgi?id=1540559 /usr/include/c++/7/debug/safe_iterator.h:270: Error: attempt to dereference a past-the-end iterator. Objects involved in the operation: iterator "this" @ 0x0x7fffffffcb90 { type = __gnu_debug::_Safe_iterator<__gnu_cxx::__normal_iterator<unsigned char*, std::__cxx1998::vector<unsigned char, gdb::default_init_allocator<unsigned char, std::allocator<unsigned char> > > >, std::__debug::vector<unsigned char, gdb::default_init_allocator<unsigned char, std::allocator<unsigned char> > > > (mutable iterator); state = past-the-end; references sequence with type 'std::__debug::vector<unsigned char, gdb::default_init_allocator<unsigned char, std::allocator<unsigned char> > >' @ 0x0x7fffffffcc50 } /usr/include/c++/7/debug/vector:417: Error: attempt to subscript container with out-of-bounds index 556, but container only holds 556 elements. Objects involved in the operation: sequence "this" @ 0x0x2e87af8 { type = std::__debug::vector<partial_symbol*, std::allocator<partial_symbol*> >; } The two -D_GLIBCXX_DEBUG regressions were made by: commit bc8f2430 Author: Jan Kratochvil <jan.kratochvil@redhat.com> Date: Mon Jun 12 16:29:53 2017 +0100 Code cleanup: C++ify .gdb_index producer commit af5bf4ad Author: Simon Marchi <simon.marchi@ericsson.com> Date: Sat Oct 14 08:06:29 2017 -0400 Replace psymbol_allocation_list with std::vector gdb/ChangeLog 2018-04-12 Jan Kratochvil <jan.kratochvil@redhat.com> PR gdb/23053 * dwarf2read.c (data_buf::grow) (write_one_signatured_type) (recursively_write_psymbols) (debug_names::recursively_write_psymbols) (debug_names::write_one_signatured_type): Fix -D_GLIBCXX_DEBUG regression.
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