[Bug middle-end/68832] New: FAIL: gcc.c-torture/execute/alias-2.c -O1 execution test

[schwab@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68832

            Bug ID: 68832
           Summary: FAIL: gcc.c-torture/execute/alias-2.c   -O1  execution
                    test
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: schwab@linux-m68k.org
            Blocks: 25140
  Target Milestone: ---
            Target: aarch64-*-*

$ gcc/xgcc -Bgcc/ ../../gcc/gcc/testsuite/gcc.c-torture/execute/alias-2.c -O1
-lm -o ./alias-2.exe
../../gcc/gcc/testsuite/gcc.c-torture/execute/alias-2.c:5:1: warning: return
type defaults to ‘int’ [-Wimplicit-int]
 main()
 ^~~~

$ ./alias-2.exe
Aborted (core dumped)

abort is called unconditionally, the condition disappears during fwprop1.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25140
[Bug 25140] aliases, including weakref, break alias analysis