[Bug testsuite/51128] New: [4.7 Regression] New LTO failures

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51128

             Bug #: 51128
           Summary: [4.7 Regression] New LTO failures
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: testsuite
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com


Many LTO tests failed:


UNRESOLVED: gcc.dg/torture/ipa-pta-1.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-ipa-dump pta "bar.arg0 = { test4.arg0 test3.arg0
test2.arg0 test1.arg0 }"
UNRESOLVED: gcc.dg/torture/pr23821.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump ivcanon "Added canonical iv"
UNRESOLVED: gcc.dg/torture/pr39074-2.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump alias "y.._., points-to vars: { i }"
UNRESOLVED: gcc.dg/torture/pr39074.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump alias "y.._., points-to vars: { i }"
UNRESOLVED: gcc.dg/torture/pr42898-2.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump-times optimized "\\*ptr" 1
UNRESOLVED: gcc.dg/torture/pr42898.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump-times optimized "\\*ptr" 1
UNRESOLVED: gcc.dg/torture/pr45704.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump-times optimized "={v}" 1
UNRESOLVED: gcc.dg/torture/pr50472.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump-not optimized "return 1"
UNRESOLVED: gcc.dg/torture/pta-callused-1.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump alias "p.._., points-to vars: { i j }"
UNRESOLVED: gcc.dg/torture/pta-escape-1.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump alias "ESCAPED = {[^
UNRESOLVED: gcc.dg/torture/pta-ptrarith-1.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump alias "ESCAPED = {[^
UNRESOLVED: gcc.dg/torture/pta-ptrarith-2.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump alias "= { i j }"
UNRESOLVED: gcc.dg/torture/pta-ptrarith-3.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump alias "q_., points-to vars: { i j k }"
UNRESOLVED: gcc.dg/torture/ssa-pta-fn-1.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump alias "q_const_., points-to non-local,
points-to vars: { i }"
UNRESOLVED: gcc.dg/torture/ssa-pta-fn-1.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump alias "q_pure_., points-to non-local,
points-to escaped, points-to vars: { i }"
UNRESOLVED: gcc.dg/torture/ssa-pta-fn-1.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump alias "q_normal_., points-to non-local,
points-to escaped, points-to vars: { }"

with

gcc.dg/torture/pr39074-2.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects
: dump file does not exist
UNRESOLVED: gcc.dg/torture/pr39074-2.c  -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  scan-tree-dump alias "y.._., points-to vars: { i }"

since -fno-fat-lto-objects turns off those tree optimizations.