/tmp/ccudeKkB.o: In function `main':
foo.cc:(.text.startup+0x3): relocation truncated to fit: R_X86_64_PC32 against symbol `k' defined in .bss section in /tmp/ccudeKkB.o
foo.cc:(.text.startup+0xa): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccudeKkB.o
/tmp/ccudeKkB.o: In function `_GLOBAL__sub_I_n':
foo.cc:(.text.startup+0x33): relocation truncated to fit: R_X86_64_PC32 against `.bss'
foo.cc:(.text.startup+0x51): relocation truncated to fit: R_X86_64_PC32 against `.bss'
collect2: error: ld returned 1 exit status