/tmp/cccXaI0R.o: In function `main':
foo.cc:(.text.startup+0x5): relocation truncated to fit: R_X86_64_PC32 against symbol `k' defined in .bss section in /tmp/cccXaI0R.o
foo.cc:(.text.startup+0xd): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/cccXaI0R.o
foo.cc:(.text.startup+0x23): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/cccXaI0R.o
foo.cc:(.text.startup+0x38): relocation truncated to fit: R_X86_64_PC32 against symbol `f' defined in .bss section in /tmp/cccXaI0R.o
foo.cc:(.text.startup+0x5c): relocation truncated to fit: R_X86_64_PC32 against symbol `f' defined in .bss section in /tmp/cccXaI0R.o
foo.cc:(.text.startup+0x63): relocation truncated to fit: R_X86_64_PC32 against symbol `k' defined in .bss section in /tmp/cccXaI0R.o
foo.cc:(.text.startup+0x71): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/cccXaI0R.o
/tmp/cccXaI0R.o: In function `_GLOBAL__sub_I_k':
foo.cc:(.text.startup+0x103): relocation truncated to fit: R_X86_64_PC32 against `.bss'
foo.cc:(.text.startup+0x121): relocation truncated to fit: R_X86_64_PC32 against `.bss'
collect2: error: ld returned 1 exit status