[Bug c++/64884] New: [5 Regression] FAIL: g++.dg/tm/pr47573.C -std=gnu++98 (test for excess errors) on x86_64-apple-darwin*

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64884

            Bug ID: 64884
           Summary: [5 Regression] FAIL: g++.dg/tm/pr47573.C  -std=gnu++98
                    (test for excess errors) on x86_64-apple-darwin*
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dominiq at lps dot ens.fr
                CC: fxcoudert at gcc dot gnu.org, howarth at bromo dot med.uc.edu,
                    hubicka at gcc dot gnu.org, iains at gcc dot gnu.org
              Host: x86_64-apple-darwin*
            Target: x86_64-apple-darwin*
             Build: x86_64-apple-darwin*

The test g++.dg/tm/pr47573.C has started to fail on x86_64-apple-darwin*
between revisions r218633 (OK) and r218641 (fail), likely r218640. The error is

/opt/gcc/work/gcc/testsuite/g++.dg/tm/pr47573.C:17:39: error: unsafe function
call 'allocator<_Tp>::allocator() [with _Tp = char]' within 'transaction_safe'
function