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author | ericvsmith <ericvsmith@users.noreply.github.com> | 2017-06-16 10:19:32 (GMT) |
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committer | Serhiy Storchaka <storchaka@gmail.com> | 2017-06-16 10:19:32 (GMT) |
commit | 11e97f2f80bf65cc828c127eafc95229df35d403 (patch) | |
tree | 69abcabdc0c46545eea7d33419655cd952fb9190 /Python | |
parent | a49c935cfd6b4f8ea1f750888dd9260bbf5b9980 (diff) | |
download | cpython-11e97f2f80bf65cc828c127eafc95229df35d403.zip cpython-11e97f2f80bf65cc828c127eafc95229df35d403.tar.gz cpython-11e97f2f80bf65cc828c127eafc95229df35d403.tar.bz2 |
bpo-30682: Removed a too-strict assertion that failed for certain f-strings. (#2232)
This caused a segfault on eval("f'\\\n'") and eval("f'\\\r'") in debug build.
Diffstat (limited to 'Python')
-rw-r--r-- | Python/ast.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Python/ast.c b/Python/ast.c index 7551b6f..becf0ad 100644 --- a/Python/ast.c +++ b/Python/ast.c @@ -4914,6 +4914,8 @@ FstringParser_ConcatFstring(FstringParser *state, const char **str, /* Do nothing. Just leave last_str alone (and possibly NULL). */ } else if (!state->last_str) { + /* Note that the literal can be zero length, if the + input string is "\\\n" or "\\\r", among others. */ state->last_str = literal; literal = NULL; } else { @@ -4923,8 +4925,6 @@ FstringParser_ConcatFstring(FstringParser *state, const char **str, return -1; literal = NULL; } - assert(!state->last_str || - PyUnicode_GET_LENGTH(state->last_str) != 0); /* We've dealt with the literal now. It can't be leaked on further errors. */ |