[Bug tree-optimization/45563] New: [4.6 Regression] g++.dg/opt/devirt1.C ICEs in ipcp_init_cloned_node, at ipa-cp.c:190 with -fno-early-inlining -fipa-cp-clone

["zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>]

Compiler output:
$ gcc -O -fno-early-inlining -fipa-cp -fipa-cp-clone testcase.C
testcase.C:3:30: internal compiler error: in ipcp_init_cloned_node, at
ipa-cp.c:190
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

----- testcase.C -----
struct S { virtual void xyzzy (); };
void foo (S * s) { s->xyzzy (); }
void bar () { S s; foo (&s); }
----------------------
Almost the same as g++.dg/opt/devirt1.C - only the constructor is removed.

Tested revisions:
r163921 - crash
r163636 - crash
r161659 - OK
r161170 - OK


-- 
           Summary: [4.6 Regression] g++.dg/opt/devirt1.C ICEs in
                    ipcp_init_cloned_node, at ipa-cp.c:190 with -fno-early-
                    inlining -fipa-cp-clone
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: zsojka at seznam dot cz
  GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45563