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libstdc++: Fix test for old string ABI 

The COW string doesn't accept const_iterator arguments in insert and
related member functions. Pass a mutable iterator instead.

libstdc++-v3/ChangeLog:

	* testsuite/20_util/from_chars/4.cc: Pass non-const iterator
	to string::insert.
This commit is contained in:
Jonathan Wakely 2020-07-30 16:04:59 +01:00
parent 4451035492
commit 561a19c301
1 changed files with 1 additions and 1 deletions
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libstdc++-v3/testsuite/20_util/from_chars/4.cc
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@ -338,7 +338,7 @@ test_max_mantissa()
VERIFY( flt == val );
std::string s2 = s.substr(0, len - 5);
s2.insert(s2.cbegin() + orig_len - 1, '.');
s2.insert(s2.begin() + orig_len - 1, '.');
s2 += "e000000000001";
res = std::from_chars(s.data(), s.data() + len, flt, fmt);
VERIFY( res.ec == std::errc{} );