[Bug ipa/64776] New: FAIL: gcc.dg/ipa/pr64307.c (internal compiler error) on x86_64-apple-darwin14

["dominiq at lps dot ens.fr" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64776

            Bug ID: 64776
           Summary: FAIL: gcc.dg/ipa/pr64307.c (internal compiler error)
                    on x86_64-apple-darwin14
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ipa
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dominiq at lps dot ens.fr
                CC: fxcoudert at gcc dot gnu.org, howarth at bromo dot med.uc.edu,
                    iains at gcc dot gnu.org, marxin at gcc dot gnu.org
              Host: x86_64-apple-darwin14
            Target: x86_64-apple-darwin14
             Build: x86_64-apple-darwin14

Compiling the test gcc.dg/ipa/pr64307.c on x86_64-apple-darwin14 gives the
following ICE

[Book15] f90/bug% gcc5 -S -O0 -fipa-icf
/opt/gcc/_clean/gcc/testsuite/gcc.dg/ipa/pr64307.c
/opt/gcc/_clean/gcc/testsuite/gcc.dg/ipa/pr64307.c: In function 'real_part':
/opt/gcc/_clean/gcc/testsuite/gcc.dg/ipa/pr64307.c:28:1: error: invalid
argument to gimple call
 }
 ^
a
# .MEM_2 = VDEF <.MEM_1(D)>
retval.0_3 = real_part_2 (a); [tail call]
/opt/gcc/_clean/gcc/testsuite/gcc.dg/ipa/pr64307.c:28:1: internal compiler
error: verify_gimple failed

The code compiles if gcc is configured with --enable-checking=release.