/tmp/ccT1AqqX.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/ccT1AqqX.o
foo.cc:(.text.startup+0x21): relocation truncated to fit: R_X86_64_PC32 against symbol `k' defined in .bss section in /tmp/ccT1AqqX.o
foo.cc:(.text.startup+0x30): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccT1AqqX.o
foo.cc:(.text.startup+0x69): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccT1AqqX.o
foo.cc:(.text.startup+0x7d): relocation truncated to fit: R_X86_64_PC32 against symbol `k' defined in .bss section in /tmp/ccT1AqqX.o
foo.cc:(.text.startup+0x125): relocation truncated to fit: R_X86_64_PC32 against symbol `k' defined in .bss section in /tmp/ccT1AqqX.o
/tmp/ccT1AqqX.o: in function `_GLOBAL__sub_I_k':
foo.cc:(.text.startup+0x144): relocation truncated to fit: R_X86_64_PC32 against `.bss'
collect2: error: ld returned 1 exit status