[Bug bootstrap/49160] New: [4.7 Regression] Bootstrap failure

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49160

           Summary: [4.7 Regression] Bootstrap failure
           Product: gcc
           Version: 4.6.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com


On Linux/x86-64, revision 174193 gave:

In file included from ../../../src-trunk/libgcc/../gcc/libgcc2.c:57:0,
                from ../../../src-trunk/libgcc/config/i386/64/_divtc3.c:6:
../../../src-trunk/libgcc/../gcc/libgcc2.h:340:0: warning: "__divtc3" redefined
[enabled by default]
../../../src-trunk/libgcc/config/i386/64/_divtc3.c:2:0: note: this is the
location of the previous definition
../../../src-trunk/libgcc/config/i386/64/_divtc3.c:10:20: error:
'__divtc3_shared' undeclared here (not in a function)
../../../src-trunk/libgcc/config/i386/64/_divtc3.c:10:37: error:
'__divtc3_compat' aliased to undefined symbol '__divtc3_shared'
make[6]: *** [_divtc3_s.o] Error 1
make[6]: *** Waiting for unfinished jobs....
In file included from ../../../src-trunk/libgcc/../gcc/libgcc2.c:57:0,
                from ../../../src-trunk/libgcc/config/i386/64/_multc3.c:6:
../../../src-trunk/libgcc/../gcc/libgcc2.h:336:0: warning: "__multc3" redefined
[enabled by default]
../../../src-trunk/libgcc/config/i386/64/_multc3.c:2:0: note: this is the
location of the previous definition
In file included from ../../../src-trunk/libgcc/../gcc/libgcc2.c:57:0,
                from ../../../src-trunk/libgcc/config/i386/64/_powitf2.c:6:
../../../src-trunk/libgcc/../gcc/libgcc2.h:329:0: warning: "__powitf2"
redefined [enabled by default]
../../../src-trunk/libgcc/config/i386/64/_powitf2.c:2:0: note: this is the
location of the previous definition
../../../src-trunk/libgcc/config/i386/64/_powitf2.c:10:20: error:
'__powitf2_shared' undeclared here (not in a function)
../../../src-trunk/libgcc/config/i386/64/_powitf2.c:10:38: error:
'__powitf2_compat' aliased to undefined symbol '__powitf2_shared'
../../../src-trunk/libgcc/config/i386/64/_multc3.c:10:20: error:
'__multc3_shared' undeclared here (not in a function)
make[6]: *** [_powitf2_s.o] Error 1
../../../src-trunk/libgcc/config/i386/64/_multc3.c:10:37: error:
'__multc3_compat' aliased to undefined symbol '__multc3_shared'
make[6]: *** [_multc3_s.o] Error 1