[Bug rtl-optimization/48721] [4.6/4.7 Regression] ICE: verify_flow_info failed: missing barrier after block 6 with -foptimize-sibling-calls -fsched2-use-superblocks

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48721

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|4.7.0                       |
            Summary|[4.6 Regression] ICE:       |[4.6/4.7 Regression] ICE:
                   |verify_flow_info failed:    |verify_flow_info failed:
                   |missing barrier after block |missing barrier after block
                   |6 with                      |6 with
                   |-foptimize-sibling-calls    |-foptimize-sibling-calls
                   |-fsched2-use-superblocks    |-fsched2-use-superblocks
      Known to fail|                            |4.7.0

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-08-25 
00:52:24 UTC ---
Fails for me with 4.7.0  20110823 (experimental) [trunk revision 178018]
(x86_64-unknown-linux-gnu).

gcc -O -foptimize-sibling-calls -fsched2-use-superblocks -fschedule-insns2
-mtune=core2 t.c

Note the tune at the end.