------- Comment #1 from rguenth at gcc dot gnu dot org 2009-01-14 21:05 ------- I cannot even compile or link this in any obvious way.
gcc -o t t.c -DDOUBLE /usr/lib/gcc/i486-linux-gnu/4.3.2/../../../../lib/crt1.o: In function `_start': (.text+0x18): undefined reference to `main' /tmp/ccNVE5Zw.o: In function `LEAST_SQUARE_QR_d': t.c:(.text+0x67): undefined reference to `COPY_d' t.c:(.text+0x80): undefined reference to `COPY_d' t.c:(.text+0x111): undefined reference to `SQUARE_ROOT_d' t.c:(.text+0x1ae): undefined reference to `SQUARE_ROOT_d' t.c:(.text+0x5db): undefined reference to `SQUARE_ROOT_d' t.c:(.text+0x678): undefined reference to `SQUARE_ROOT_d' collect2: ld returned 1 exit status -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38848
