[Bug middle-end/113109] New: [14 Regression] g++ EH tests fail at execution time for cris-elf after r14-6674-g4759383245ac97

[hp at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113109

            Bug ID: 113109
           Summary: [14 Regression] g++ EH tests fail at execution time
                    for cris-elf after r14-6674-g4759383245ac97
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hp at gcc dot gnu.org
                CC: guojiufu at gcc dot gnu.org
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: cris-elf

After r14-6674-g4759383245ac97, (at least) all tests that "throw", fail for
cris-elf at execution time: g++ tests as well as libstdc++ tests.  I don't see
any other clues from g++.log than execution failing for those tests.

Complete before/after example reports at
https://gcc.gnu.org/pipermail/gcc-testresults/2023-December/803815.html and
https://gcc.gnu.org/pipermail/gcc-testresults/2023-December/803816.html (for
r14-6672-g605d21f8ef1f and r14-6750-gf9be3d8faa47; same failures as 6674).

An example of a small hopefully-minimal test that fail is
gcc/testsuite/g++.old-deja/g++.mike/eh6.C.  Like for seemingly all others,
execution the test fails, and there's no output from the printf.  That
printf-statement is likely not reached, but the output *could* possibly still
be in an output-buffer (I don't remember how that works in newlib; that could
happen for glibc when execution is aborted).

I'm initially setting component to "middle-end" because that's what the commit
touched and also, I'm biased, but visiting the gcc-testresults archives I don't
see other targets fail in the same manner, so it could still be that "target"
fits better.  Further analysis will show; I'll dig a little deeper.  (Commit
author CC:ed.)