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Have basic_istream seekg, putback and unget first clear eofbit. Fixes http://llvm.org/bugs/show_bug.cgi?id=13089. 

llvm-svn: 162608
This commit is contained in:
Howard Hinnant 2012-08-24 22:03:03 +00:00
parent bad901b362
commit dbbdd0c1f0
1 changed files with 3 additions and 0 deletions
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3
libcxx/include/istream
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@ -1263,6 +1263,7 @@ basic_istream<_CharT, _Traits>::putback(char_type __c)
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
this->clear(this->rdstate() & ~ios_base::eofbit);
sentry __sen(*this, true);
if (__sen)
{
@ -1290,6 +1291,7 @@ basic_istream<_CharT, _Traits>::unget()
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
this->clear(this->rdstate() & ~ios_base::eofbit);
sentry __sen(*this, true);
if (__sen)
{
@ -1368,6 +1370,7 @@ basic_istream<_CharT, _Traits>::seekg(pos_type __pos)
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
this->clear(this->rdstate() & ~ios_base::eofbit);
sentry __sen(*this, true);
if (__sen)
if (this->rdbuf()->pubseekpos(__pos, ios_base::in) == pos_type(-1))