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| author | Jonathan Wakely <jwakely@redhat.com> | 2019-02-23 03:01:59 +0000 |
|---|---|---|
| committer | Jonathan Wakely <redi@gcc.gnu.org> | 2019-02-23 03:01:59 +0000 |
| commit | ace857f95d819377507f81ff4fc88ebf8b913eef (patch) | |
| tree | 9bda6298fff3246b502dd0c0e4c2db91fb0c6e96 /libgfortran/runtime | |
| parent | c1753302087205dd9d5e9013c859623b261df060 (diff) | |
| download | gcc-ace857f95d819377507f81ff4fc88ebf8b913eef.zip gcc-ace857f95d819377507f81ff4fc88ebf8b913eef.tar.gz gcc-ace857f95d819377507f81ff4fc88ebf8b913eef.tar.bz2 | |
PR libstdc++/89446 fix null pointer dereference in char_traits
PR libstdc++/89446
* include/bits/char_traits.h (__constant_char_array): Check index is
in range before dereferencing.
(char_traits<char>::compare, char_traits<char>::find)
(char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
immediately if n is zero.
(char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
Remove workarounds for PR 67026.
* testsuite/21_strings/basic_string_view/operators/char/89446.cc:
New test.
* testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
New test.
From-SVN: r269148
Diffstat (limited to 'libgfortran/runtime')
0 files changed, 0 insertions, 0 deletions