[Bug middle-end/48791] New: [4.7 Regression] Many testcase failures

["hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48791

           Summary: [4.7 Regression] Many testcase failures
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com


On Linux/ia32, revision 173027 gave

FAIL: g++.dg/torture/covariant-1.C  -O2  (internal compiler error)
FAIL: g++.dg/torture/covariant-1.C  -O2  (test for excess errors)
FAIL: g++.dg/torture/covariant-1.C  -O2 -flto  (internal compiler error)
FAIL: g++.dg/torture/covariant-1.C  -O2 -flto  (test for excess errors)
FAIL: g++.dg/torture/covariant-1.C  -O2 -flto -flto-partition=none  (internal
compiler error)
FAIL: g++.dg/torture/covariant-1.C  -O2 -flto -flto-partition=none  (test for
excess errors)
FAIL: g++.dg/torture/covariant-1.C  -O3 -fomit-frame-pointer  (internal
compiler error)
FAIL: g++.dg/torture/covariant-1.C  -O3 -fomit-frame-pointer  (test for excess
errors)
FAIL: g++.dg/torture/covariant-1.C  -O3 -g  (internal compiler error)
FAIL: g++.dg/torture/covariant-1.C  -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/covariant-1.C  -Os  (internal compiler error)
FAIL: g++.dg/torture/covariant-1.C  -Os  (test for excess errors)
FAIL: g++.dg/torture/pr43068.C  -O2  (internal compiler error)
FAIL: g++.dg/torture/pr43068.C  -O2  (test for excess errors)
FAIL: g++.dg/torture/pr43068.C  -O2 -flto  (internal compiler error)
FAIL: g++.dg/torture/pr43068.C  -O2 -flto  (test for excess errors)
FAIL: g++.dg/torture/pr43068.C  -O2 -flto -flto-partition=none  (internal
compiler error)
FAIL: g++.dg/torture/pr43068.C  -O2 -flto -flto-partition=none  (test for
excess errors)
FAIL: g++.dg/torture/pr43068.C  -O3 -fomit-frame-pointer  (internal compiler
error)
FAIL: g++.dg/torture/pr43068.C  -O3 -fomit-frame-pointer  (test for excess
errors)
FAIL: g++.dg/torture/pr43068.C  -O3 -g  (internal compiler error)
FAIL: g++.dg/torture/pr43068.C  -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/pr43068.C  -Os  (internal compiler error)
FAIL: g++.dg/torture/pr43068.C  -Os  (test for excess errors)
FAIL: g++.dg/torture/pr47714.C  -O2  (internal compiler error)
FAIL: g++.dg/torture/pr47714.C  -O2  (test for excess errors)
FAIL: g++.dg/torture/pr47714.C  -O2 -flto  (internal compiler error)
FAIL: g++.dg/torture/pr47714.C  -O2 -flto  (test for excess errors)
FAIL: g++.dg/torture/pr47714.C  -O2 -flto -flto-partition=none  (internal
compiler error)
FAIL: g++.dg/torture/pr47714.C  -O2 -flto -flto-partition=none  (test for
excess errors)
FAIL: g++.dg/torture/pr47714.C  -O3 -fomit-frame-pointer  (internal compiler
error)
FAIL: g++.dg/torture/pr47714.C  -O3 -fomit-frame-pointer  (test for excess
errors)
FAIL: g++.dg/torture/pr47714.C  -O3 -g  (internal compiler error)
FAIL: g++.dg/torture/pr47714.C  -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/pr47714.C  -Os  (internal compiler error)
FAIL: g++.dg/torture/pr47714.C  -Os  (test for excess errors)
FAIL: g++.dg/tree-ssa/pr34355.C (internal compiler error)
FAIL: g++.dg/tree-ssa/pr34355.C (test for excess errors)
FAIL: gcc.dg/autopar/outer-1.c (internal compiler error)
FAIL: gcc.dg/autopar/outer-1.c (test for excess errors)
FAIL: gcc.dg/autopar/outer-2.c (internal compiler error)
FAIL: gcc.dg/autopar/outer-2.c (test for excess errors)
FAIL: gcc.dg/autopar/outer-3.c (internal compiler error)
FAIL: gcc.dg/autopar/outer-3.c (test for excess errors)
FAIL: gcc.dg/autopar/outer-4.c (internal compiler error)
FAIL: gcc.dg/autopar/outer-4.c (test for excess errors)
FAIL: gcc.dg/autopar/outer-5.c (internal compiler error)
FAIL: gcc.dg/autopar/outer-5.c (test for excess errors)
FAIL: gcc.dg/autopar/outer-6.c (internal compiler error)
FAIL: gcc.dg/autopar/outer-6.c (test for excess errors)
FAIL: gcc.dg/autopar/parallelization-1.c (internal compiler error)
FAIL: gcc.dg/autopar/parallelization-1.c (test for excess errors)
FAIL: gcc.dg/autopar/pr39500-1.c (internal compiler error)
FAIL: gcc.dg/autopar/pr39500-1.c (test for excess errors)
FAIL: gcc.dg/autopar/pr46561.c (internal compiler error)
FAIL: gcc.dg/autopar/pr46561.c (test for excess errors)
FAIL: gcc.dg/autopar/pr46969.c (internal compiler error)
FAIL: gcc.dg/autopar/pr46969.c (test for excess errors)
FAIL: gcc.dg/autopar/reduc-1.c (internal compiler error)
FAIL: gcc.dg/autopar/reduc-1.c (test for excess errors)
FAIL: gcc.dg/autopar/reduc-1char.c (internal compiler error)
FAIL: gcc.dg/autopar/reduc-1char.c (test for excess errors)
FAIL: gcc.dg/autopar/reduc-1short.c (internal compiler error)
FAIL: gcc.dg/autopar/reduc-1short.c (test for excess errors)
FAIL: gcc.dg/autopar/reduc-2.c (internal compiler error)
FAIL: gcc.dg/autopar/reduc-2.c (test for excess errors)
FAIL: gcc.dg/autopar/reduc-2char.c (internal compiler error)
FAIL: gcc.dg/autopar/reduc-2char.c (test for excess errors)
FAIL: gcc.dg/autopar/reduc-2short.c (internal compiler error)
FAIL: gcc.dg/autopar/reduc-2short.c (test for excess errors)
FAIL: gcc.dg/autopar/reduc-3.c (internal compiler error)
FAIL: gcc.dg/autopar/reduc-3.c (test for excess errors)
FAIL: gcc.dg/autopar/reduc-6.c (internal compiler error)
FAIL: gcc.dg/autopar/reduc-6.c (test for excess errors)
FAIL: gcc.dg/autopar/reduc-7.c (internal compiler error)
FAIL: gcc.dg/autopar/reduc-7.c (test for excess errors)
FAIL: gcc.dg/autopar/reduc-8.c (internal compiler error)
FAIL: gcc.dg/autopar/reduc-8.c (test for excess errors)
FAIL: gcc.dg/autopar/reduc-9.c (internal compiler error)
FAIL: gcc.dg/autopar/reduc-9.c (test for excess errors)
FAIL: libgomp.c/autopar-1.c (internal compiler error)
FAIL: libgomp.c/autopar-1.c (test for excess errors)
FAIL: libgomp.graphite/force-parallel-1.c (internal compiler error)
FAIL: libgomp.graphite/force-parallel-1.c (test for excess errors)
FAIL: libgomp.graphite/force-parallel-2.c (internal compiler error)
FAIL: libgomp.graphite/force-parallel-2.c (test for excess errors)
FAIL: libgomp.graphite/force-parallel-3.c (internal compiler error)
FAIL: libgomp.graphite/force-parallel-3.c (test for excess errors)
FAIL: libgomp.graphite/force-parallel-3.c scan-tree-dump-times optimized
"loopfn.0" 5
FAIL: libgomp.graphite/force-parallel-4.c (internal compiler error)
FAIL: libgomp.graphite/force-parallel-4.c (test for excess errors)
FAIL: libgomp.graphite/force-parallel-4.c scan-tree-dump-times optimized
"loopfn.0" 5
FAIL: libgomp.graphite/force-parallel-5.c (internal compiler error)
FAIL: libgomp.graphite/force-parallel-5.c (test for excess errors)
FAIL: libgomp.graphite/force-parallel-5.c scan-tree-dump-times optimized
"loopfn.0" 5
FAIL: libgomp.graphite/force-parallel-6.c (internal compiler error)
FAIL: libgomp.graphite/force-parallel-6.c (test for excess errors)
FAIL: libgomp.graphite/force-parallel-7.c (internal compiler error)
FAIL: libgomp.graphite/force-parallel-7.c (test for excess errors)
FAIL: libgomp.graphite/force-parallel-7.c scan-tree-dump-times optimized
"loopfn.0" 5
FAIL: libgomp.graphite/force-parallel-8.c (internal compiler error)
FAIL: libgomp.graphite/force-parallel-8.c (test for excess errors)
FAIL: libgomp.graphite/force-parallel-8.c scan-tree-dump-times optimized
"loopfn.0" 5
FAIL: libgomp.graphite/force-parallel-9.c (internal compiler error)
FAIL: libgomp.graphite/force-parallel-9.c (test for excess errors)
FAIL: libgomp.graphite/force-parallel-9.c scan-tree-dump-times optimized
"loopfn.0" 5

Revision 173020 is OK.  Error looks like

/export/gnu/import/svn/gcc-test-ia32corei7/src-trunk/gcc/testsuite/gcc.dg/autopar/outer-1.c:
In function 'parloop._loopfn.0':^M
/export/gnu/import/svn/gcc-test-ia32corei7/src-trunk/gcc/testsuite/gcc.dg/autopar/outer-1.c:26:1:
internal compiler error: Segmentation fault^M
Please submit a full bug report,^M
with preprocessed source if appropriate.^M
See <http://gcc.gnu.org/bugs.html> for instructions.^M

FAIL: gcc.dg/autopar/outer-1.c (internal compiler error)
FAIL: gcc.dg/autopar/outer-1.c (test for excess errors)