[Bug tree-optimization/46467] New: [4.6 Regression] gcc.dg/torture/pta-structcopy-1.c FAILs with -fipa-pta without inlining

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46467

           Summary: [4.6 Regression] gcc.dg/torture/pta-structcopy-1.c
                    FAILs with -fipa-pta without inlining
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: zso...@seznam.cz
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu


Created attachment 22385
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22385
modified gcc.dg/torture/pta-structcopy-1.c

Output:
$ gcc -O2 -fno-tree-sra -fipa-pta -fno-inline-functions-called-once
-fno-inline-small-functions pta-structcopy-1.i
$ ./a.out
Aborted

Attached testcase only adds __attribute__((noinline)) to foo() with the same
effect:
$ gcc -O2 -fno-tree-sra -fipa-pta pta-structcopy-1b.c
$ ./a.out
Aborted

Tested revisions:
r166703 - fail
r159696 - fail
r158095 - OK
4.5 r166509