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from fb9bbfd7f2 ELF: Add testcases for PR ld/23658 new 10657c047e Do not pass NULL to memcpy new 780942fc24 Change dwarf2_frame_state_reg_info::reg to be std::vector new ad69edbb4b Use unsigned as base type for some enums new 0101665f86 Avoid undefined behavior in extract_integer new d359392f97 Avoid undefined behavior in read_subrange_type new 20562150d8 Avoid undefined behavior in parse_number new 4dd1b46077 Avoid undefined behavior in read_signed_leb128 new 5e70ee0905 Avoid undefined behavior in ada_operator_length new 1dffa580e7 Avoid undefined behavior in expression dumping new f35d5adea1 Add --enable-ubsan

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Summary of changes: gdb/ChangeLog | 67 +++++++++++++++++++++++++++++- gdb/NEWS | 10 +++++ gdb/README | 7 ++++ gdb/acinclude.m4 | 3 ++ gdb/btrace.h | 2 +- gdb/c-exp.y | 10 ++--- gdb/c-lang.h | 2 +- gdb/common/enum-flags.h | 6 +++ gdb/configure | 105 ++++++++++++++++++++++++++++++++++++++++++++++++ gdb/configure.ac | 1 + gdb/doc/ChangeLog | 4 ++ gdb/doc/gdb.texinfo | 8 ++++ gdb/dwarf2-frame.c | 28 ++++++------- gdb/dwarf2-frame.h | 31 +++++--------- gdb/dwarf2read.c | 10 ++--- gdb/expprint.c | 7 ++++ gdb/expression.h | 2 +- gdb/findvar.c | 2 +- gdb/gdbtypes.h | 2 +- gdb/namespace.c | 5 ++- gdb/objfile-flags.h | 2 +- gdb/parse.c | 6 ++- gdb/sanitize.m4 | 46 +++++++++++++++++++++ gdb/symfile-add-flags.h | 2 +- 24 files changed, 310 insertions(+), 58 deletions(-) create mode 100644 gdb/sanitize.m4