https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92115
--- Comment #6 from Ilya Leoshkevich <iii at linux dot ibm.com> --- > Am 16.10.2019 um 16:32 schrieb asolokha at gmx dot com > <gcc-bugzi...@gcc.gnu.org>: > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92115 > > --- Comment #4 from Arseny Solokha <asolokha at gmx dot com> --- > (In reply to Ilya Leoshkevich from comment #3) >> Arseny, how did you find this? Did you just run the regtest? I wonder why >> didn't I see it during my test runs. > > My test harness continuously compiles a corpus of C, C++, and Fortran code > with > the latest weekly trunk snapshot, picking a random set of compiler options and > parameters for each file. gcc and libstdc++ test suites constitute an > important > part of that corpus. When compiling files from these test suites, my test > harness ignores compiler options specified there for DejaGNU and uses its own > randomly chosen ones instead. Of course, this approach is not suitable for > testing run-time correctness. > > So, if there are no testcases in the test suite yet which could trigger that > specific code path in gcc internals, probably due to an unusual set of > compiler > options, your testing won't reveal a problem reported here. That is probably > OK, as regression testing have to be deterministic, after all. Hi Arseny, Did you per chance open-source it? Best regards, Ilya