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Fix PR#26175. Thanks to Josh Petrie for the report and the patch. Reviewed as http://reviews.llvm.org/D16262

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@258107 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2016-01-19 00:50:37 +00:00
parent 90a7bf9194
commit 685cdcaf9f
2 changed files with 4 additions and 0 deletions
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3
include/regex
View File

@@ -4265,6 +4265,9 @@ basic_regex<_CharT, _Traits>::__parse_atom_escape(_ForwardIterator __first,
if (__first != __last && *__first == '\\') if (__first != __last && *__first == '\\')
{ {
_ForwardIterator __t1 = _VSTD::next(__first); _ForwardIterator __t1 = _VSTD::next(__first);
if (__t1 == __last)
__throw_regex_error<regex_constants::error_escape>();
_ForwardIterator __t2 = __parse_decimal_escape(__t1, __last); _ForwardIterator __t2 = __parse_decimal_escape(__t1, __last);
if (__t2 != __t1) if (__t2 != __t1)
__first = __t2; __first = __t2;

1
test/std/re/re.regex/re.regex.construct/bad_escape.pass.cpp
View File

@@ -33,6 +33,7 @@ int main()
{ {
assert(error_escape_thrown("[\\a]")); assert(error_escape_thrown("[\\a]"));
assert(error_escape_thrown("\\a")); assert(error_escape_thrown("\\a"));
assert(error_escape_thrown("\\"));
assert(error_escape_thrown("[\\e]")); assert(error_escape_thrown("[\\e]"));
assert(error_escape_thrown("\\e")); assert(error_escape_thrown("\\e"));