[Bug target/61387] New: [4.10 Regression] ~900 test failures on on x86_64-apple-darwin13 for g++ with -m64 after r211088

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61387

            Bug ID: 61387
           Summary: [4.10 Regression] ~900 test failures on on
                    x86_64-apple-darwin13 for g++ with -m64 after r211088
           Product: gcc
           Version: 4.10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dominiq at lps dot ens.fr
                CC: iains at gcc dot gnu.org, ktietz70 at googlemail dot com
              Host: x86_64-apple-darwin13
            Target: x86_64-apple-darwin13
             Build: x86_64-apple-darwin13

After r211088 I see ~900 test failures on on x86_64-apple-darwin13 for g++ with
-m64.
The tests fail with two kinds of ICEs:

/opt/gcc/_clean/gcc/testsuite/g++.dg/torture/pr58585.C: In member function
'virtual void B::_ZTv0_n24_N1B3fooEv()':
/opt/gcc/_clean/gcc/testsuite/g++.dg/torture/pr58585.C:20:17: error:
unrecognizable insn:
 C::C() { bar(); }
                 ^
(call_insn/j 4 3 5 (call (mem/u/c:DI (const:DI (unspec:DI [
                        (symbol_ref/i:DI ("_ZN1B3fooEv") [flags 0x1]
<function_decl 0x142785f00 foo>)
                    ] UNSPEC_GOTPCREL)) [0  S8 A8])
        (const_int 0 [0]))
/opt/gcc/_clean/gcc/testsuite/g++.dg/torture/pr58585.C:12 -1
     (nil)
    (nil))
/opt/gcc/_clean/gcc/testsuite/g++.dg/torture/pr58585.C:20:17: internal compiler
error: in insn_default_length, at config/i386/i386.md:1786

or

/opt/gcc/_clean/gcc/testsuite/g++.dg/debug/pr54499.C: In member function
'virtual void S3::_ZThn8_N2S3D1Ev()':
/opt/gcc/_clean/gcc/testsuite/g++.dg/debug/pr54499.C:22:1: error:
unrecognizable insn:
 }
 ^
(call_insn/j 3 2 4 (call (mem/u/c:DI (const:DI (unspec:DI [
                        (symbol_ref/i:DI ("_ZN2S3D1Ev") [flags 0x1]
<function_decl 0x14278e500 __comp_dtor >)
                    ] UNSPEC_GOTPCREL)) [0  S8 A8])
        (const_int 0 [0]))
/opt/gcc/_clean/gcc/testsuite/g++.dg/debug/pr54499.C:14 -1
     (nil)
    (nil))
/opt/gcc/_clean/gcc/testsuite/g++.dg/debug/pr54499.C:22:1: internal compiler
error: in insn_default_length, at config/i386/i386.md:1786