Crash while executing complex sqrt in C++

compiling following code with g++ leads to a crash while executing the sqrt function. Compiled fine with the older gcc versions.

#include<complex>
int main()
{
std::complex<double> x(1., 0.);
std::sqrt(x);
return 0;
}

$ gcc -v
Using built-in specs.
COLLECT_GCC=C:\MinGW\bin\gcc.exe
COLLECT_LTO_WRAPPER=c:/mingw/bin/../libexec/gcc/mingw32/4.7.0/lto-wrapper.exe
Target: mingw32
Configured with: ../gcc-4.7.0/configure --enable-languages=c,c++,ada,fortran,objc,obj-c++
--disable-sjlj-exceptions --with-dwarf2 --enable-shared --enable-libgomp --disable-win32-r
egistry --enable-libstdcxx-debug --disable-build-poststage1-with-cxx --enable-version-spec
ific-runtime-libs --build=mingw32 --prefix=/mingw
Thread model: win32
gcc version 4.7.0 (GCC)

$ ld -v
GNU ld (GNU Binutils) 2.22