[Bug middle-end/54914] New: gcc.dg/graphite/pr42521.c regressed in gcc trunk

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54914

             Bug #: 54914
           Summary: gcc.dg/graphite/pr42521.c regressed in gcc trunk
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: howarth@nitro.med.uc.edu


Somewhere between r192044, which doesn't show the regression and r192251, which
does, the failures...

FAIL: gcc.dg/graphite/pr42521.c (internal compiler error)
FAIL: gcc.dg/graphite/pr42521.c (test for excess errors)

were introduced. These appear on x86_64-apple-darwin12 as...

Executing on host: /sw/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/gcc/
/sw/src/fink.build/gcc48-4.8.0-1000/gcc-4.8-20121011/gcc/testsuite/gcc.dg/graphite/pr42521.c
 -fno-diagnostics-show-caret   -O3 -fgraphite-identity -S  -m32 -o pr42521.s   
(timeout = 300)
isl_ctx.c:158: isl_ctx freed, but some objects still reference it^M
/sw/src/fink.build/gcc48-4.8.0-1000/gcc-4.8-20121011/gcc/testsuite/gcc.dg/graphite/pr42521.c:
In function 'foo':^M
/sw/src/fink.build/gcc48-4.8.0-1000/gcc-4.8-20121011/gcc/testsuite/gcc.dg/graphite/pr42521.c:6:6:
internal compiler error: Abort trap: 6^M
xgcc: internal compiler error: Abort trap: 6 (program cc1)^M
compiler exited with status 1
output is:
isl_ctx.c:158: isl_ctx freed, but some objects still reference it^M
/sw/src/fink.build/gcc48-4.8.0-1000/gcc-4.8-20121011/gcc/testsuite/gcc.dg/graphite/pr42521.c:
In function 'foo':^M
/sw/src/fink.build/gcc48-4.8.0-1000/gcc-4.8-20121011/gcc/testsuite/gcc.dg/graphite/pr42521.c:6:6:
internal compiler error: Abort trap: 6^M
xgcc: internal compiler error: Abort trap: 6 (program cc1)^M

FAIL: gcc.dg/graphite/pr42521.c (internal compiler error)
FAIL: gcc.dg/graphite/pr42521.c (test for excess errors)
Excess errors:
isl_ctx.c:158: isl_ctx freed, but some objects still reference it
/sw/src/fink.build/gcc48-4.8.0-1000/gcc-4.8-20121011/gcc/testsuite/gcc.dg/graphite/pr42521.c:6:6:
internal compiler error: Abort trap: 6
xgcc: internal compiler error: Abort trap: 6 (program cc1)