When I try to compile any of these functions below, GCC 3.4.4 hangs the whole
computer! I was needed to reboot my Feodore Core3 system - severe memory leak?

I'm compiling on a Linux machine running Feodore Core3 kernel 2.6.9.
The compiler is arm-elf-gcc-3.4.4 compiled with binutils-2.16.1, newlib-1.13.0.

I compiled binutils like this:
"../../$BINUTILS_DIR/configure" --target="$TARGET" --prefix="$DEST" --disable-nls
make LDFLAGS=-s all install

I compiled GCC like this:
"../../$GCC_DIR/configure" --enable-languages=c,c++,f77 --target="$TARGET"
--prefix="$DEST" --with-gnu-as --with-gnu-ld --with-newlib --disable-nls
make LDFLAGS=-s all-gcc all-target-libstdc++-v3 install-gcc
install-target-libstdc++-v3

The code that hangs the compiler looks like this:
(Simplified stupid code example just to show the error.)

void hang_compiler1(signed long long x)
{
  while (1) {
    if (x < 0)
      continue;
  }
}

void hang_compiler2(signed long long x)
{
  for (;;) {
    if (x < 0)
      continue;
  }
}

void hang_compiler3(signed long long x)
{
  do {
    if (x < 0)
      continue;
  } while (1);
}