[Bug middle-end/56301] [4.7 Regression] wrong code with the fix for PR53844

[doko at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56301



--- Comment #1 from Matthias Klose <doko at gcc dot gnu.org> 2013-02-18 
12:31:31 UTC ---

Created attachment 29482

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29482

test case



no reduced test case yet, but there is a diff in the tree dump with

-fdump-tree-dse in the test_deserialise_ptrace function:



diff -u <working version> <not-working version>



--- revert/upstart-1.6.1/init/test_job.c.132t.dse2

+++ norevert/upstart-1.6.1/init/test_job.c.132t.dse2

@@ -367,12 +367,8 @@

   abort ();



 <bb 44>:

-  job_64->goal = 1;

-  job_64->state = 3;

   D.9269_65 = job_64->pid;

   *D.9269_65 = pid_49;

-  job_64->trace_forks = 0;

-  job_64->trace_state = 3;



 <bb 45>:

   __ret_66 = nih_str_array_new (0B);