[Bug ada/50433] New: [4.7 Regression] acats tests FAIL: c460010 on x86_64-apple-darwin10

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50433

             Bug #: 50433
           Summary: [4.7 Regression] acats tests FAIL: c460010 on
                    x86_64-apple-darwin10
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ada
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: dominiq@lps.ens.fr
                CC: charlet@act-europe.fr
              Host: x86_64-apple-darwin10
            Target: x86_64-apple-darwin10
             Build: x86_64-apple-darwin10


The acats test c460010 fails on x86_64-apple-darwin10 at revision 178892 (see
http://gcc.gnu.org/ml/gcc-testresults/2011-09/msg01560.html ) while it passed
at revision 178834 (see
http://gcc.gnu.org/ml/gcc-testresults/2011-09/msg01357.html). The failure is

splitting /opt/gcc/build_w/gcc/testsuite/ada/acats/tests/c4/c460010.a into:
   c460010_0.ads
   c460010_1.ads
   c460010_2.ads
   c460010_2.adb
   c460010.adb
BUILD c460010.adb
gnatmake --GCC="/opt/gcc/build_w/gcc/xgcc -B/opt/gcc/build_w/gcc/" -gnatws -O2
-I/opt/gcc/build_w/gcc/testsuite/ada/acats/support c460010.adb -largs
--GCC="/opt/gcc/build_w/gcc/xgcc -B/opt/gcc/build_w/gcc/"
/opt/gcc/build_w/gcc/xgcc -c -B/opt/gcc/build_w/gcc/ -gnatws -O2
-I/opt/gcc/build_w/gcc/testsuite/ada/acats/support c460010.adb

raised CONSTRAINT_ERROR : erroneous memory access
gnatmake: "c460010.adb" compilation error
FAIL:   c460010

The failure is still there after a clean bootstrap of revision 178905 without
any patch.