$ gcc -v -o test.exe test.c
Es werden eingebaute Spezifikationen verwendet.
Ziel: x86_64-w64-mingw32
Konfiguriert mit: ../../../../src/gcc-4.5.0/configure
--prefix=/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw
--with-sysroot=/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw
--with-gmp=/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw
--with-mpfr=/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw
--with-mpc=/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw
--with-ppl=/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw
--with-cloog=/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw
--with-host-libstdcxx='-L/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw/lib64
-lstdc++' --build=i686-pc-mingw32 --host=x86_64-w64-mingw32
--target=x86_64-w64-mingw32 --disable-multilib --disable-bootstrap
--with-gnu-as
--with-as=/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw/bin/as.exe
--with-gnu-ld
--with-ld=/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw/bin/ld.exe
--enable-checking=release --enable-languages=c,c++,fortran,java,objc,obj-c++
--enable-libgomp --disable-werror 'BOOT_CFLAGS=-g -O0' CFLAGS='-g -O0'
CXXFLAGS='-g -O0' 'CFLAGS_FOR_BUILD=-g -O0' CFLAGS_FOR_TARGET=-O0
CXXFLAGS_FOR_TARGET=-O0
Thread-Modell: win32
gcc-Version 4.5.0 20090805 (experimental) (GCC) 
COLLECT_GCC_OPTIONS='-v' '-o' 'test.exe' '-mtune=generic'

c:/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw/bin/../libexec/gcc/x86_64-w64-mingw32/4.5.0/cc1.exe
-quiet -v -iprefix
c:\mingw\gcc\gcc-4.5.0\x86_64-w64-mingw32\mingw\bin\../lib/gcc/x86_64-w64-mingw32/4.5.0/
-isysroot c:\mingw\gcc\gcc-4.5.0\x86_64-w64-mingw32\mingw\bin\../../mingw
test.c -quiet -dumpbase test.c -mtune=generic -auxbase test -version -o
D:\DOKUME~1\rainer\LOCALS~1\Temp\ccxMcHNc.s
GNU C (GCC) Version 4.5.0 20090805 (experimental) (x86_64-w64-mingw32)
        kompiliert von GNU-C-Version 4.5.0 20090805 (experimental), GMP version
4.3.1, MPFR version 2.4.1-p5, MPC version 0.6
GGC-Heuristik: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
nicht vorhandenes Verzeichnis
»c:\mingw\gcc\gcc-4.5.0\x86_64-w64-mingw32\mingw\bin\../../mingwC:/MinGW/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw/include«
wird ignoriert
doppeltes Verzeichnis
»c:/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/4.5.0/include«
wird ignoriert
doppeltes Verzeichnis
»c:/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/4.5.0/include-fixed«
wird ignoriert
#include "..." - Suche beginnt hier:
#include <...> - Suche beginnt hier:

c:\mingw\gcc\gcc-4.5.0\x86_64-w64-mingw32\mingw\bin\../lib/gcc/x86_64-w64-mingw32/4.5.0/include

c:\mingw\gcc\gcc-4.5.0\x86_64-w64-mingw32\mingw\bin\../lib/gcc/x86_64-w64-mingw32/4.5.0/include-fixed

c:/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw/lib/gcc/../../x86_64-w64-mingw32/include
 c:\mingw\gcc\gcc-4.5.0\x86_64-w64-mingw32\mingw\bin\../../mingw/mingw/include
Ende der Suchliste.
GNU C (GCC) Version 4.5.0 20090805 (experimental) (x86_64-w64-mingw32)
        kompiliert von GNU-C-Version 4.5.0 20090805 (experimental), GMP version
4.3.1, MPFR version 2.4.1-p5, MPC version 0.6
GGC-Heuristik: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 1161644d70e4366deea2251f6760d83e
COLLECT_GCC_OPTIONS='-v' '-o' 'test.exe' '-mtune=generic'

c:/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw/bin/../lib/gcc/x86_64-w64-mingw32/4.5.0/../../../../x86_64-w64-mingw32/bin/as.exe
-v -V -o D:\DOKUME~1\rainer\LOCALS~1\Temp\cc0jfYFh.o
D:\DOKUME~1\rainer\LOCALS~1\Temp\ccxMcHNc.s
GNU assembler version 2.19.51 (x86_64-w64-mingw32) using BFD version (GNU
Binutils) 2.19.51.20090805
c:/mingw/gcc/gcc-4.5.0/x86_64-w64-mingw32/mingw/bin/../lib/gcc/x86_64-w64-mingw32/4.5.0/../../../../x86_64-w64-mingw32/bin/as.exe:
unrecognized option `-V'


-- 
           Summary: driver passes wrong parameter to as
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: driver
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: rainer at emrich-ebersheim dot de
 GCC build triplet: i686-pc-mingw32
  GCC host triplet: *-w64-mingw32
GCC target triplet: *-w64-mingw32


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41024