/tmp/ccw1M8k3.o: in function `main':
foo.cc:(.text.startup+0x5): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccw1M8k3.o
foo.cc:(.text.startup+0x22): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccw1M8k3.o
foo.cc:(.text.startup+0x86): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccw1M8k3.o
/tmp/ccw1M8k3.o: in function `_GLOBAL__sub_I_n':
foo.cc:(.text.startup+0x134): relocation truncated to fit: R_X86_64_PC32 against `.bss'
collect2: error: ld returned 1 exit status