I've verified it's indeed a glibc problem, and still present in dist-6.2


#include <stdlib.h>
main() {
	double a=strtod("0x0a", NULL);
	printf("%f\n", a);
}

Well, ISO C99 specifies that:

      [#5]  If  the  subject sequence has the hexadecimal form and
       FLT_RADIX is a power of 2,  the  value  resulting  from  the
       conversion is correctly rounded.

      7.20.1.3                   Library                  7.20.1.3

In binary notation, 0x0A = 1010 = 1.25 (for FLT_RADIX=2, whcih is the default)

Not a bug, just what the standard mandates.